What were popular ways to demonstrate against the unfair taxes

Why did leaders such as siddhartha gautama abandon hinduism to createbuddhism around 500 bce:

How were the okanogan highlands formed? a. by subduction, which caused huge folds in earths surface b. as a result of retreating glaciers carving great valleys into the earth c. when molten rock from under the earth approached the surface d. when the collision of volcanic island chains and ocean rocks formed new earth

What is an example of a primary source? o a. a dictionary entry o b. a history book o c. an encyclopedia article o d. a recording of a speech