The problems in England that caused the Great Migration was religious and economic issues. The Great Migration happened in 1630.
The climate dried and made farming and grazing very hard.
Rural-to urban migration
The desertification of the Sahara caused migration around 2500 BC. • Between 100 BC and AD 1000, the Bantu or West African peoples like farmers and herders migrated to the south and the east.
Well, migration is basically movement and you might use that by saying," The migration of birds has caused pollution to spread around".
yes
Migration to the west.
The U.S. westward expansion.
The western part of the Roman empire was invaded by Germanic peoples. Gaul, Spain, Portugal and Africa were invaded by the Burgundians Alemanni, Sueves, Alans and Vandals who came from central Europe and southern Germany. In Britannia there were waves of migration by the Angles, Saxons, Jutes and Frisians who came from northern Germany, Denmark and the north of the Netherlands.
Civil unrest and Regional wars has caused most of the terrorist acts in Africa.
Opening up of the western territories.
racial violence and economic discrimination against blacks in the south