<span>China joined the war on the Allies side in hopes to gain back German land, but when the allies gave it to Japan, the Chinese were angry. Students gathered in Beijing and more and more people joined the cause which became known as the May Fourth Movement.</span>
When it comes to the us becoming a imperial power, their main goal was economic expansion. now their ideals were good but since they started being an imperial power the economy has gone rather worse. so to answer your question their goals were good not have not been achieved.
Served 4 terms as president is wrong he served 2 terms.
<span>B. Announcement of the Marshall Plan I think</span>
If you are talking about the first air pollution problem its is A, almost about 100 years ago.
1955
