I’m reading A Little History of The World by E.H. Gombrich and he says “It wasn’t long before their (French Kings) power had become so great that in 1309 they were able to force the pope to leave Rome and take up residence in France”
Thus creating the Avignon Papacy. I’ve looked around and all the explanations I can find are
Both explanations seem like an over simplification. Why did the French kings force Clement V to move to France? What rising tensions were there?
While more can always be said, I summarized some basic points on the surroundings of the beginning of the Avignon Papacy under the pontificate of Clement V before in: Why did the Pope move to Avignon? that focuses on the complexity of political factional divisions within Italian Peninsula.