There were a lot of raids in Africa which led Africans to sell those captured to the Europeans for slavery.
Hope this helped hon :)
In order to ensure Constantinople was a splendid city Constantine built magnificent structures in his city and turned it into a great capitol. He brought people of high rank who could help the city blossom in different spheres of life. Furthermore, for better protection high walls were erected, they surrounded the entire city.
The largest flow of German immigration to America occurred between 1820 and World War I, during which time nearly six million Germans immigrated to the United States. From 1840 to 1880, they were the largest group of immigrants.
<span>Medieval society was feudal, based on a rigid, pyramid-shaped hierarchy and divided into three orders, or social classes: the nobles, the clergy, and the peasants.
</span><span>People believed that these three orders were established by God and nobody should change this system. There was no way out of this social hierarchy.</span>
