Question

What was one characteristic of American
imperialism in the late 19th and early 20th
centuries?
(1) avoiding involvement with nations in East Asia
(2) supporting independence movements in Africa
(3) rejecting the use of military force to gain
colonies
(4) acquiring territory to promote economic and
strategic interests

Answer 1

One characteristic of American imperialism in the late 19th and early 20th
centuries was "(4) acquiring territory to promote economic and strategic interests," since as the US grew in strength it became increasingly advantageous for it to expand its economic base. 

Answer 2

Answer; 
4) Acquiring territory to promote economic and strategic interests.

One characteristic of American imperialism in the late 19th and early 20th centuries was acquiring territory to promote economic and strategic interests. 

Explanation;
American imperialism was the economic, military and cultural influence of the united states to the rest of the world. 
The causes of American imperialism were economic benefits, military strength and national superiority.
The motives for imperialism that prompt empires to seek to expand their rule over other countries or territories were economic, exploratory, ethnocentric, political and religious motives.