This is a complicated issue, but in general the US government did not do much to intervene in the German treatment of Jews during this time, mostly because there was a great deal of both isolationist and anti-Semitic sentiment in the US during this time.
Answer:
A. To irrigate the land and sell crops
Explanation:
To divert rivers and streams is an irrigation system used since the antiquity to irrigate crops and to extend the sowing areas, now the difficulty of water access and the low rainfall in Texas obligate them to use that system to avoid crop losses and to improve the production capacity, in consequence, to earn the most quantity of money per crop with the minimun investment and expenses.
One way that politics/society is different today as in 1939 is that in 1939 voting wasnt the same for some people, but today everyone has rights to vote. One way that is the same is that males have been president since 1939- today.
Justice Black, in the landmark case, ruled that students are entitled to exercise their constitutional rights, even while in school. He decided to allow the Tinkers to wear their armbands as a symbol of protest against the Vietnam conflict. Black ruled that the wearing of the armbands would not interfere with the day to day running of the school. Justice Black also noted that school officials did not prohibit the wearing of any other political symbols by students. At the end of his ruling, Justice Black acknowledged that while what gets said by students cannot be regulated, it is a myth to believe that a person has a constitutional right to say what he wants to, when he wants to, and where he wants to.