It resulted in the deaths of 1.5 to 2 million people from 1975 to 1979, nearly a quarter of Cambodia's 1975 population ( c. 7.8 million).
Raise taxes in the colonies after The Great War when Britain was in debt. The Stamp Act meant that the colonies had to pay a tax on all of their documents if they wanted them to be official and viable.
Although direct democracy had been used in some of the colonies, the framers of the Constitution granted voters no legislative or executive powers, because they feared the masses would make poor decisions and be susceptible to whims. During the Progressive Era, however, governments began granting citizens more direct political power. States that formed and joined the United States after the Civil War often assigned their citizens some methods of directly implementing laws or removing corrupt politicians. Citizens now use these powers at the ballot to change laws and direct public policy in their states.
You are right, it is D. Tourism