Plz help me What was the outcome of the Constitutional Convention?

OA) The delegates decided to meet at a later date to complete their work.

OB) The delegates completed the writing of the Constitution of the United States.

ОС The delegates could not agree on certain important points and left many issues unresolved.

D) The delegates revised the Articles of Confederation.

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.