Answer:
Imperialism deals with how respected and vast a country is internationally. The factors include economic, military, and cultural influence of a country internationally.
The United States achieved this by factors such as national pride, Manifest Destiny and business interests. The United States were only among few countries which had high technological prowess and advancement. The industrialization made the American businessmen to seek new international markets in which to sell their goods and thereby making it a global market and increased its popularity.