Match these US presidents with their actions after the introduction of the domino theory.
John F. Kennedy
Lyndon Johnson
Dwight Eisenhower
He provided South Vietnam with financial and
military aid after SEATO came into existence.
He sent more advisers to South Vietnam but
was not in favor of immediate military action.
He convinced the US Congress to pass the Gulf of
Tonkin Resolution to escalate the Vietnam War.
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while it was true that the cotton gin reduced the labor of removing seeds, it did not reduce the need for slaves to grow and pick the cotton.

explanation:

before eli whitney's invention of the cotton gin, picking and cleaning cotton was a slow, labor-intensive job. workers, usually slaves, had to pick the seeds from the cotton fibers by hand. this invention made it possible to grow large amounts of cotton on big farms and make money.

it required the unanimous approval of the states before the congress could enact any measure.

i think the answer is c