The right answer is the increase of agricultural output, the Ming dinasty ruled China for almost 300 years (1368-1644) and enjoyed stability and prosperity, reforming the government and making more efficient use of the land, one of the things that made this increase possible was taxes, what excludes the third option. As for the first option, Ming government persecuted to some extent Christian and Muslims communities, and for the fourth, Tokugawa was a dinastic government in Japan, not China.
When George Washington became president in 1789, the army he had commanded in the American Revolution had<span>(disbanded)</span>
Many Southerners felt slavery was an economic necessity. Many Northerners felt that slavery was morally wrong. Northern factories wanted tariffs to help their industry which hurt Southerners buying goods in Europe with their cotton exports. When Calhoun wanted to nullify the tariff, Andrew Jackson said he would bring in the US Army to stop him. The Missouri Compromise was done to keep the number of slave and free states equal. These were band aids to keep the country <span>together and worked until 1861, when South Carolina seceded from the Union.</span>