"<span>Slave labor helped the economy grow because it was taxed," would be the best option from the list, but it had less to do with taxation and more to do with free labor. </span>
Answer:
In the first years of the Revolutionary War, George Washington and his Continental Army faced a threat that proved deadlier than the British: a smallpox epidemic, lasting from 1775-1782. Infrequent outbreaks and wariness of inoculation made his troops very susceptible to the disease. After heavy losses in Boston and Quebec, Washington implemented the first mass immunization policy in American history.
I think because
The Space Race<span> was a competition of space exploration between the </span>United States<span> and </span>Soviet Union, which lasted roughly from 1957 to 1975. It involved the efforts to ... After World War II, the United States and the Soviet Union<span> became </span>locked<span> in a bitter Cold War of espionage and propaganda.
</span>I hope this helps any bit tell me If i'm right.