The idea that imperialism provided both a commercial and strategic advantage to the United States.
The belief that the power comes from the consent of the governed.
The preservation of the exceptionalism nature of the United States.
Answer: Options 1, 4 and 6.
<u>Explanation:</u>
Imperialism was when a country expanded it's influence on the other countries of the world. The influence was spread in the form of economic and the military power over the other countries of the world.
The imperialism of the United States helped it to gain economic strength, because the country which were under the control of the country proved to be a market for the country. Moreover they thought that theirs nation was special and had to spread its virtue far and wide.