Which power of congress form a more perfect union?

providing a check for executive power

passing laws to improve the economy

allocating money to the military

creating courts

The correct answer is option A.

Providing a check for Executive power.

Explanation:

Congress is the Legislative branch created by the Constitution of the United States. Under the Constitution of the United States, Article 1 states the powers of Congress. They include approval of the financial budget,  power to impose taxes on citizens, reservation of funds for the military forces, powers to declare war among other additional powers vested in it by the Constitution.

Congress is regarded as the "power of the purse" as it controls the money released to the Executive branch for any appropriate purpose. Congress being the Legislative branch is the main body involved in checking the powers within the  Executive and Judiciary branch of government. Congress check the excesses of their powers and ensures that none of the other branches abuses it.

Its broad powers which includes to check the powers of the Executive branch makes it a perfect union.