What executive power did roosevelt invoke?

Ateam of scientists studied the sediment at the bottom of an ancient lake. they were able to determine the weather conditions of the indus valley in ancient times. they found that the entire area had suffered a drought after the monsoons declined. this drought lasted 200 years. because of the drought, there wasn’t enough food or water. the people of the indus valley were forced to leave their cities.

Iwill be giving 15 points to whoever answers the average citizen has the most impact on government by a. impeaching the governor b. paying taxes c. running for office d. voting in elections

Which of the islamic empires (ottomans, mughals, safavids) were the most influential and why?