Martin luther, galileo galilei, or leonardo da vinci? who gave the most historical impact?

What did kublai khan learn from the chinese advisers he consulted?

Which of the following led to a continuation of the treatment in the excerpt above? a)the brutality of the trans-atlantic african slave trade. b)spanish repression after violent native uprisings in new spain during the 16th century. c)european competition to quickly establish colonial holdings in the new world. d)the reliance of the spanish on native americans to provide labor under the encomienda system.

How did the us change it’s economy to provide supplies for the war effort?