Why is the battle of yorktown in 1781 important?

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.

What types of modernization did atatürk introduce? give examples.

How did the economic impacts of the great depression differ in the united states and in the soviet union?