Answer:
The boston massacre or b
Explanation:
I did the test/assignment
Fredrick Douglas was the African American who said the Mexican War was "disgraceful" because he thought if America would annex Mexico then slavery would be carried over into the new territory.
England is to a king as Japan is to an emperor.
Japan's medieval system has the empire on the top of the command chain, with shogun, Daimyo, and Samurai.
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I am not sure what the others thought about it (for example Kahlo and Rivera were communists, so they likely believed it too!)
but a very good answer is <span>B. David Alfaro Siqueiros, since he was very opened about this view, stating it many times. </span>