What drove imperialism in the late 1800s and early 1900s?

Five Motives for Imperialism. Various motives prompt empires to seek to expand their rule over other countries or territories. These include economic, exploratory, ethnocentric, political, and religious motives. ... Exploratory: Imperial nations or their citizens wanted to explore territory that was, to them, unknown.

Explanation:

Five Motives for Imperialism. Various motives prompt empires to seek to expand their rule over other countries or territories. These include economic, exploratory, ethnocentric, political, and religious motives. ... Exploratory: Imperial nations or their citizens wanted to explore territory that was, to them, unknown.

Explanation:

nativists tried to get rid of the immigrants as they thought they were going to ruin the u.s.  

would not cooperate with each other voluntarily.