Someone help please just these questions answer them correctly then I'll stop asking for help. I'm sorry for saying this, but it's true.

Which statement is true of both presidential and parliamentary systems of government?

How did the atomic bomb end the war

Which of these was one of the most important aspects of washington's presidency a. he did not consider how his actions would affect later presidents b. he came to believe that political parties would be good for the country. c. he insisted that congress make specific rules about the duties of the president d. he did not take advantage of the opportunity to keep the power the country offered him.