Why did Tennessee need a new constitution after the Civil War?

Tennessee's Constitution of 1870 was ratified in the wake of the Civil War and codified basic changes from that defining event in American history. ... Delegates were driven by fear of an arbitrary executive and sought a Constitution that would guard against such abuses and excesses of state government from recurring.

yes i think there would be volunteers

answer; (d) i believe that the correct answer is americans finally ran out of ammunition;