Black people talk about the black history of rivers.

Black people are a race with a long history. Among the existing races, blacks are the first to leave footprints on the earth. However, in modern history, the land where blacks lived was invaded by colonial rulers. Many black people became slaves and were sold to the United States to do coolies and manual labor, and they were bullied physically and mentally.

After the civil war, slavery was abolished in the United States, and blacks were free. However, in some countries, there is still serious racial discrimination, and blacks have a low status in their eyes. But in some countries, they are also very important