Which Han dynasty reform was reintroduced during the Tang dynasty? the practice of giving jobs to friends and family harsh penalties for lawbreakers the use of civil service exams the reviewing of laws every five years

The correct answer is - the use of civil service exams.

The Tang dynasty came to power after the Sui dynasty ended. This dynasty had a lot of influence by the earlier Han dynasty in its managing of the country. One of the reforms that this dynasty reintroduced for the first time after the Han dynasty went to the history was the use of civil service exams. Through this exams, the dynasty was trying to make its position stronger by having a stronger and wiser civil service.