The first crop that formed the basis of the economy in the Southern states was tobacco. But at the beginning of the 19th century cotton became the most important. During the 1840s and 1850s cotton became the chief United States export. It was known as "King cotton". The rapid agricultural growth of the South led to financial and political tensions between the Northern and the Southern states. Answer: The most important Southern crop in the 1840s and 1850s was cotton.
Answer:
Nullification, in United States constitutional history, is a legal theory that helps to nullify, or invalidate, any federal laws which that state has deemed unconstitutional with respect to the United States Constitution.
Sometimes it's called benefit cost analysis.
India had ceased importing opium
During the age of imperialism, Britain used opium to forcefully open china to trade.
