Answer:
In many cases, slaves were promised freedom in exchange for service.
In general, history is the recorded story of the interaction between "ideas" "people" and "patterns", since it is the way in which people act and make decisions that influences their collective history.
To celebrate Thanksgiving? Research on it maybe, im sorry i couldnt help :(
the marshal plan and korean were based on the Truman doctrine, and most exemplifies the containment policy
On the other hand, the Berlin airlift least exemplifies the containment policy because it was the techniques used to overcome the iron curtain and escape the east Germany communist regime, under Soviet Russia.