Legalism became the official philosophy of the Qin Dynasty (221 - 206 BCE) when the first emperor of China, Shi Huangdi (r. 221-210 BCE), rose to power and banned all other philosophies as a corrupting influence. ... The excesses of the Qin Dynasty's legalism made the regime very unpopular with the people of the time.
The Legalists advocated government by a system of laws that rigidly prescribed punishments and rewards for specific behaviours. They stressed the direction of all human activity toward the goal of increasing the power of the ruler and the state.
The geographic factor that was most important to the development of the early River valley civilization would be the river. this is because it gave them fertile soil to grow crops. 2 people found this useful