Of the Continental United States, 22 states I believe.
Answer:
specialization allows countries the opportunity cost, of trading with one another
Explanation:
between countries that produce different goods
Used to be in Eastern Arabia but is now located in the Persian Gulf region. Hope this helps :)
The Great Migration (which actually continued until 1970s) was a migration from the South to the North.
In the beginning of the migration around 90% of the Black population lived in the South - a legacy of slavery, and after the migration period, it was around half of the Black population living in the South.
