Why are reelection rates for members of Congress high despite a low opinion by the public of the institution of congress?

Each question one page 1.Why are reelection rates for members of Congress high despite a low opinion by the public of the institution of congress? Why is it even higher for members of the House of Representatives than it is for the senate? 2.What authorities are granted to the president of the United States that president trump has used or refrained from using? What risks and rewards may emerge from an increase in the use of the powers of the office? 3.What changes can we expect if a growing number of justices of the United States Supreme Court are appointed who embraced the jurisprudence of original understanding as opposed to the evolutionary approach? 4.Have the past two decades of American foreign policy been waged on behalf of the long term interests of the American people? Explain