The correct answer here is (4) Mongols.
The Mongols were a nomadic people who travelled on horseback and were very proficient archers. They were said to be able to shoot a target from full horseback speed with their bows.
They were led by Genghis Khan and conquered a good portion of Asia and also entered parts of Europe. Their empire was one of the biggest ones to date.
What is the role of Government?
establish Justice, insure domestic Tranquility, provide for the common defense, promote the general Welfare, monitor the economy, businesses, and banks; maintaining the education system, roads, and public utilities, regulating the safety of food and medicine
they use expansionary polices because it increases the level of aggregate demand,
Being along oceans or major water ways made trade to other areas more accessible, which attributed to those cities' economic and financial growth.
<span>After the Civil War, newly-freed African Americans had to fight for their basic human and civil rights in the South, where Jim Crow laws were quickly passed in order to limit their new freedoms. </span>