Can some one help please??

In which research method does a researcher change the value of one variable to determine how the change affects another variable? a. experiment b. observational research c. survey d. case study

The president of the island nation of winstone refuses to raise taxes, but wants to expand many government services and increase the size of winstone's armed forces. he plans to pay for all of the desired expenditures by printing more money. if the president carries out his plan by rapidly increasing the supply of money, winstone will likely experience:

What body has the power to impeach the president