What did Japan do that caused America to get directly involved in World War II? A.
Bombed U. S. naval ships at Pearl Harbor in Hawaii
B.
Attacked American Marine bases in the Philippines
C.
Sank American supply ships in the Atlantic Ocean
D.
Sent warships to the coasts of California and Oregon

cruel, heartless

explanation:

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.

b is correct

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