China had invaded Vietnam
Answer:
The first three words of the Preamble of the Constitution of the United States of America. These words make it clear to all readers that in the United States the people are the foundation and driving force of the government.
Explanation:
So its D
They were searching for gold. Also at the time, people could get money for killing Native Americans.
The main way in which Theodore Roosevelt’s Corollary influenced US foreign policy was that it cast the US in a far more dominant light, since it threatened the use of force against countries that didn't "fall in line".