Answer:
The United States joined the war on the side of the allies because Americans were outrages with Germany's submarine attacks on merchant and passenger ships.
Explanation:
I think it is the last one
The imperialism prevails because it shaped not by distributing or transporting enormous numbers of refugees to settle and inhabit new lands, but instead by generating and producing political, military, and business structures that permitted them to govern and profit from existing inhabitants. This enhances imperial nations and formed new classes or types of people whose lives were molded by demands of imperial administration and business.
Answer:
A progressive social reformer and activist, Jane Addams was on the frontline of the settlement house movement in the late 19th and early 20th centuries. She later became internationally respected for the peace activism that ultimately won her a Nobel Peace Prize in 1931, the first American woman to receive this honor.