Population decreases
What two effects of the migration of people through Africa
ducks
migration
WHAT ARE THE major migreanion that affect society and culture in the caribbean
disposal garbage,employment
The Great Migration began about 1910 and only began to slow and reverse itself in the 1970s and 1980s. Some historians have described this demographic phenomenon as the shifting of the Black Belt from the South to the North. In large numbers, African-Americans abandoned the South for economic, political, and social reasons. The North represented to the South's blacks a promised land
rural-urban migration
Trade
Three causes of human migration are economic opportunities, political instability, and environmental factors. Three effects of human migration include cultural diversity, demographic changes, and strain on resources in receiving countries.
Immigration increases the supply of labor
laws that forced the migration of the poorer classes