It created a monopoly.
They opposed intervention for moral and practical reasons.
There were more goods available than there was demand for them.
They believed that expansion went against American ideals.
Japan was pressured to allow trade with the United States -apex
Japan was exposed to ideas that revolutionized its society.
Working class Americans was the group that most strongly supported the Chinese Exclusion Act. The act was signed into law on May 6, 1882.