Which is the best example of a secondary source document useful in the study of history?

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.

The government of country a has determined there is a coal shortage based on mining reports. as a result of these data, the government decreases coal exports to other nations. access to information country a

Which of the following statements best describes the concept behind labor unions?