Answer: Aqueducts
Explanation: They were first developed around 312 B.C., these engineering marvels used gravity to transport water along with the stone, lead and concrete pipelines and into city centers. Aqueducts liberated Roman cities from reliance on nearby water supplies and proved priceless in promoting public health and sanitation.
Answer: B: To expand the meaning of the word American to include all people.
In these lines, Kennedy addresses the question of civil rights, and in particular, the rights of black students to attend white institutions. He implies this in the sentence: "It ought to be possible, therefore, for American students of any color to attend any public institution they select..." The reason why he mentions the troops in his speech is because he wanted to make an analogy between the troops and the students. He argues that if black soldiers are considered American enough to fight abroad, then black students should be considered American enough to attend any college they desire.
The correct answer is "granted farmers land". The Homestead Act signed in 1842, allowed any American in the western United States to put in a claim for up to 160 free acres of federal land. This Act was well received as 15,000 signed papers were established by the end of the Civil War.
