Answer:
it provided boundaries for future wester states
Answer:
500 miles
Explanation:
because he never completed his railroad
Answer:
Correct answer is It shifted US Policy towards imperialism.
Explanation:
Second option is the only correct as it marked the expansion of United States. United States decided to spread their influence outside American continent, which put them in the line of great imperial forces.
All other answers are therefore wrong, as they are not expressing the attitudes of the American government at the time.
What is science? , What is Technology? , What ARE the main key components of science? These are 3 questions that can be addressed by science.