Slaves first arrived in Mississippi in French ships that came from West Africa where they had bought the slaves, and then brought them to Mississippi to sell/trade. Hope it helps!
The Albany Congress was notable because there was a twofold to try to secure the support and cooperation of the Iroquois in fighting the French, furthermore to make a colonial alliance on a design by Benjamin Franklin.
To help rebuild the economy of Great Britain when there weren't enough adults to have those jobs in big factory's.