The North relied mostly on industry for income but the South was almost all agricultural. Without the slaves they didn't have many people left to work the land.
The Chinese empire has been subject to unfair unilateral treatment for centuries. As foreign powers such as the Portuguese and the British sought to get their hands on this country's riches. This can be seen during the Opium Wars, which led to the colonization of the ports of Macao and Hong Kong, by the Portuguese and British respectively.
The military power exercised over China by foreign powers was replaced by the economic power of this same nations in the form of foreign investment that comes to China and sets up manufacturing sites that set unideal working conditions for Chinese locals at the expense of the enrichment of these businesses.
A person who holds duties rights and responsibilities within a state is called a citizen. Citizens should be legally-recognized member of the state to freely experience the services of the government. They are obligated to follow and serve every rights, obligations, and laws of their government.
Your answer is Greek and Roman hope this helps