If Congress votes to increase government purchases and at the same time decrease personal income taxes, they

have voted for the proper policy to counteract a recession

Explanation:

In order to counteract recession, the Congress tries to create an equilibrium by increasing government purchases and decrease personal income taxes. The inverse relation helps in maintaining jobs, money inputs and a viable exchange rate.  

the answer is: c. c.it limited the president’s power to start wars.

the war powers resolution of 1973 requires the president to notify the congress whenever the president wanted to order a military operation to other countries within 48 hours. if after being reviewed the congress disagree with the proposal, that the president will be banned from ordering the operation.