Martin Luther King's march and Gandhi's march.
In *2012 (I'm pretty sure that's what you're asking), Barack Obama was acting President of the United States of America.
It helped end slavery by having people realize why it was bad so they could abolish slavery.
<span>The Great Migration was caused by various factors pushing
African-Americans out of the South ,
and other factors pulling them to the North.
The " push factors"
general dissatisfaction with the conditions of the South.
impact of the boll weevil on southern crops
low wages
racism
Black Press
lynching
Reasons
The " pull factors "
labor shortage in the North
higher wages in the North
a better education system
less political and social descrimination
hope this helps</span>
