The Monroe doctrine was the US policy for ww2. It warned European powers that the US would not tolerate colonization or puppet monarchies so it’s A
Answer: Europeans most often trade for slaves in West Africa i think its sugar or guns.
smallpox and other diseases are believed to have caused the largest death tolls among Native Americans, surpassing any wars.
Explanation:
I believe that the answer to the question provided above is that the discovery of circumnavigation and that the earth is round gave the spanish an advantage.
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In the text it says “In 1902 he founded the Carnegie Institution to fund scientific research and established a pension fund for teachers with a $10 million donation.” That is how Andrew benefited. I hope this helped !!