What did the Aztec do to keep farmland fertile? They used the canals to water crops daily.
They planted crops once a year.
They rotated certain crops regularly.
They planted certain crops once.

Lyle is concerned about the difference between a company's salaries for its white workers and its colombian workers. in order to place economic pressure on the company, what does lyle need to do?

Congress is controlled by the democrats. president yaeger, a republican, takes several actions that are opposed by the democrats in congress. first, the president introduces a new budget that cuts most of the government's social programs and gives tax breaks to the wealthy. next, president yaeger negotiates a trade treaty with a nation accused of human rights abuses. then, the president gives pardons to three republican senators who have been convicted of crimes.

Which of these best describes the function of a "super pac"? a)create bi-partisan legislation that can become law b)organization meant to reign-in spending of political candidates during election cycles c)promote the interests of supreme court justices without breaking specific tampering laws d)raise funds through donations from corporations or individuals to support or oppose specific political candidates