<u>A. Popular sovereignty.</u>
This political doctrine holds that all political power that governs society (authorities of states and federal government) is inherent in the people, that is to say, people create it, gives consents to it and sustains it. The U.S. Constitution this concept by guaranteeing people's right to choose their representative (individuals that advocate for their needs, desires, and projects as a society ) through fair and democratic elections.
Plantation owners needed big quantity's of on hand labor to grow tobacco, rice, and indigo.
The correct answer is the fourth option.
Sun Yat-sen is one of the most important 20th century Chinese political figures. He is hailed as a "father of the nation" but his career was tumultuous one. He was instrumental in overthrowing the Qing dynasty but after the second revolution because of the Tongmenghui he had to flee but was for a short time imprisoned in Britain where he was in exile by the Chinese who recognized him.