They had beef about one of them not paying and they declared war.
Answer:
C. The Soviet Union became an ally of the United States and Great Britain during World War II
Explanation:
Sectionalism became very tensed in the late 1940s because of the separation of the North and the South because of the slavery. People in the North were focusing on industrializing, urbanizing, and building factories while the people from the South concentrated in agriculture. The Southerners was claiming that the North's factories weren't treating everyone fairly and lead into a war.
