During Matthew Perry's second visit to Japan, he threatened to send 100 ships to Japan to declare war if his demands weren't met. Did Perry have authorization to start a war? What was so imperative about Japan that the US would threaten war?

by quiaudetvincet

ryamano

I saw a similar question a few weeks ago, maybe the answers there (especially /NientedeNada) will be helpful to you.

https://www.reddit.com/r/AskHistorians/comments/8i5ci9/why_did_usa_give_japan_an_ultimatum_to_open_their/

Georgy_K_Zhukov

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