White people rose rapidly in the industrial revolution law, and they immediately chose the road of overseas expansion and began to colonize and plunder all over the world by boat. In this process, the black group suffered the most extensive colonization and persecution, and even many people became slaves, with no status and dignity.
Slavery has existed in America for a long time. Once it exists as a legal system, it will have a great influence, and its influence cannot disappear with the removal of the system.
Black slavery
16 19 Before the founding of the United States of America, the first slaves were transported to Virginia, the first British colony in North America. 1860, the number of black slaves in the United States has reached more than 4 million, while the total population of the United States is only 27 million.
In 186 1 year, the two sides fought the only civil war in American history, which lasted for four years. The north won and slavery was abolished. However, due to the abolition of black slavery in the United States, several States have announced their withdrawal from the union, and seven southern States have also established the United States of America.