Hello, I apologize for the late answer, I hadn't seen this post until now. This film does actually have a lot of accurate aspects to it, and the uniforms are portrayed surprisingly well (in some aspects, which I'll get more into later). It's interesting to note that this film was banned from Italian viewers until 2009. It was controversial in how it portrayed Italian occupiers of Libya to be rather ruthless, however, there is quite a bit of truth to this portrayal.

With regards to the concentration camps, I believe the movie was attempting to portray the camp at El Agheila (it's been a while since I've seen the movie, but I can't quite remember). There was indeed a forced migration of an estimated 80,000 Bedouins into these camps of which many thousands died. I have not seen any accurate figures proposed, just rough estimations. We can assume though that the populations inside were malnourished. I'm not sure if you realized this while watching, but the aerial footage of the camps is real footage taken from the Regia Aeronautica. It wasn't a set, but that was actual footage that Akkad worked into his film. As for the gassing and executions, I cannot say for certain if this did or did not happen. The idea behind these camps were to isolate and cut-off local support for Mukhtar and his resistance movement. The goal really wasn't to exterminate the Libyans as is often associated with concentration camps of this nature. MVSN (the soldiers displaying clear fasces collar tabs) did investigate and monitor these interned civilians, executing those suspected of resisting occupation. I'd hesitate to say that Italian soldiers were held to a higher standard than to resort to war crimes, because it is known that Graziani and Badoglio (Italian general and Governor of Libya at the time) had no problem gassing urban areas in Ethiopia a few years later during the 2nd Abyssinian War.

Benghazi did have a large Italian population, and by the time of Mukhtar's trial, was seeing a large influx of Italian settlers. It's important to note that Mukhtar's resistance lasted 20 years. Many Italian industries were beginning to move into the colonies and Benghazi, Tripoli, and Tobruk were the ports they would come in through. So naturally, these cities were the largest influx of Italian settlers. Benghazi specifically had a large concentration of Jewish Libyans (and importantly in favor of Italian occupation), so this city became a central location for Italian settlers to integrate into the colonies. At the time the movie was portraying, which was Mukhtar's trial and execution, Benghazi would have been in the process of the build-up campaign. In the early 1920's governor generals Volpi authorized a unique architectural campaign in Benghazi which to this day are still popular tourist attractions. This architecture is referred to as a "Western interpretation of Eastern culture," and commonly known as The Volpi period. The designers used Moorish motifs, complimented by a grandiose fascist style. Volpi brought in Armando Brasini, a prominent Italian architect to create massive and impressive buildings in this style to compliment Volpi's lungomare, a walkway path along the sea that is still to this today, one of Benghazi's must see tourist attractions. In addition to this and Governor Italo Balbo's assimilation campaign, there were an estimated 20,000 Italians in Benghazi in the early 1930's, so the portrayal of Benghazi in the movie is quite accurate to how it would have looked.

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The uniforms are surprisingly accurate in the movie. The soldiers displaying the fasces are MVSN units, also known as "Black Shirt Battalions." These are Mussolini's Black Shirts that were very active in the Libyan occupation and campaigns. Their colonial uniforms are quite accurate, their insignia is indeed a black collar tab with fasces pin over it and a fasces fregio (insignia) on their caps, which were the Alpine styled cap (without feather) and were used before the MVSN switched to bustina. There are a few historical inaccuracies with the uniforms in the film, most prominently in the weapons they used. A lot of the machine guns were American and British, understandably as Italian firearms of the era are rare and hard to come by. A few non-carcano's being used here and there, but minor criticisms. There is also an Alpini soldier (Italy's elite mountian trrops) featured towards the end the movie in a continental Grigio-verde colored uniform (grey-green that the Italian army looooooved to use on everything), but there were no Alpini in Africa at that specific time. Graziani is portrayed very very well, as is Mussolini. In fact, Stieger (the actor portraying Mussolini) actually found Mussolini's real life barber, and had him give him a Mussolini style shave/haircut and tell him stories about his mannerisms, what he was like, etc. and used this in his portrayal of the film. A very neat story and well-done rendition of Il Duce.

Mussolini did want his soldiers to be dressed professionally and basically advertise for him. This was his mentality, to advertise fascism. He loved parades, military marches, grand fascist celebrations, and he wanted to impress. When he conquered a country or city, or island, he wanted to have large parades in the streets where people were impressed and want to be a part of the Italian empire. He didn't want to simply exploit colonies, he wanted them to want to be a part of Italy and this surprisingly worked pretty well in Libya. In 1911, Mukhtar had widespread support and people were resistant to Italian occupation. By the 1930's, many Libyans willingly enlisted in the Italian askari corps. Now, of course there were benefits for bedouins and native populations to enlist, but Libya was to some degree effectively assimilated into Italy as well. In fact, it was a Libyan Savari serving in the Italian military that caught Mukhtar. Italian Savari's were often murdered and tortured by Mukhtar's men, along with their families. While many opposed Italian occupation, there were many that embraced it and the modernizing (at least to some extent) of their country