How did the northwest ordinance and the louisiana purchase impact the growth of the united states?

An important accomplishment of the chinese during the han dynasty was the a. invention of paper. b. production of bronze tools. c. construction of the great wall. d. building of royal tombs.

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 is intervention ? in government terms