It lost its remaining colonies in the Pacific and the Caribbean, notably the Philippines and Cuba. Almost all of the other Spanish dominions in Latin America had already achieved independence.
There were more goods available than there was demand for them.
They believed that expansion went against American ideals.
The Dollar Diplomacy was President Taft's effort to manipulate other countries by making loans to them.
Working class Americans was the group that most strongly supported the Chinese Exclusion Act. The act was signed into law on May 6, 1882.
Resented American control of the economy
It made it dangerous for opponents of the war