8. Why did the states call a Constitutional Convention? * (1 Point)
to write state constitutions
to organize political parties
to break away from Great Britain
O to improve the Articles of Confederation

the third one

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.