The answer is the constitution because they wanted to establish a better government.
It sounds like you might have a list to choose from, but there is nothing here. Is there more to the question? :)
Signing the Camp David Accords is only among following that was a success of the Carter administration and the only one that could be attributed to his administration
Washington recognizes that it is natural for people to organize and operate within groups such as political parties, but he also argues that every government has recognized political parties as an enemy and has sought to repress them because of their tendency to seek more power than other groups