I don't understand the question
Many people did not agree with slavery in some states, which caused tension in many areas.
Answer: Other regions accounting for significant shares were Europe and Canada (13.5 percent), the Caribbean (9.6 percent), Central America (7.9 percent), South America (6.7 percent), the Middle East (4 percent) and sub-Saharan Africa (3.9 percent).
Explanation:
Americans thought it was none of their business to interfere in a matter in Vietnam. They also didn't want to get involved because they had just fought World War II against Germany and Japan. Eventually when the war started Americans were against it because of the draft which forced men between certain ages to go to war.
The reasons of war were many but there were two immediate ones. America's support the ongoing struggle by Cubans and Filipinos against Spanish rule. Also, the mysterious explosion of the battleship U.S.S. Maine in Havana Harbor.