The answer is B
This is because when the Europeans traveled down to colonize Africa they used gins and superior machinery against the mostly secluded part of the world where they had no developed such weapons yet, although they did convert many to Christianity that is not the main reason.
Following the attack of the Gulf of Tonkin, President Lyndon Johnson had been made allowed to conduct military operations in the region without a declaration of war being placed. This was allowed after congress passed the 'Southeast Asia Resolution'.
c. They realized there was nothing else they could do to protect the city so they burned it so the Union soldiers couldn't use their resources and ammunition stores.
D. scarcity of resources please help
He believes that people should choose what they want