When people are treated poorly based on their race or skin color
Ummm....Definitely not....The 14th and 15th amendments did. But it wasn't just African Americans....
The Romans (Julius Cease 55 B.C.)
The Anglo-Saxons (449 A.D.)
The Vikings (793 A.D.)
The Normans (French; 1066 A.D. Battle of Hastings)
By moving into these countries and establishing trading posts, they were then able to establish a military presence.
La mento y astalesmethaleto