Answer:
A positive effect of the Columbia exchange was the introduction of new word crops, such as potato’s and corn, to the old world. A significant negative effect was the enslavement of African populations and the exchange of diseases between the old and new worlds
Explanation:
Answer:The firing of MacArthur set off a brief uproar among the American public, but Truman ... South Korea from falling to the invading forces of communist North Korea. ... a policy of pushing into North Korea to completely defeat the communist forces. ... of China might take the invasion as a hostile act and intervene in the conflict.
Explanation:
I think the answer is b - the bombing of Pearl Harbor
Clothes, food, essentials
