During the late 1600s, a decline in the availability of indentured servants led to what?

During the late 1600, a decline in the availability of indentured servants led an increase of enslaved Africans in the South.

i can try to solve it just show the graph.

to protect the united states' role as a world leader, president truman wanted to prevent the soviet union from spreading communism beyond its post-world war ii boundaries. he declared that the united states must assist any nations struggling to prevent a communist takeover.