Based on its role as outlined in the us constitution which function is most commonly carried out by the house of representatives

The purpose most usually conducted by the House of Representatives is to formulate legislation. The Congress is designed by the two houses, and while they may have any disagreements, their duties are essentially authoritative, so they have to designed and introduced the ultimate rules of the united states and presented them in series to recommend those. 

if i am correct the answer is going to be a) the federal program of reconstruction ended.

your wrong i made a 2.34 out of 4 the answers are 1st qeustion all of them are correct. question 2 the han emperors chose smart, victorious men to work in the government. question 3 during the han dinasty, the teaching in the analects of confucius set the tone for public life. question 4 on a and b are correct.