The congress, whenever two thirds of both houses shall deem it necessary, shall propose amendments to this constitution, or, on the application of the legislatures of two thirds of the several states, shall call a convention for proposing amendments, which, in either case, shall be valid to all intents and purposes, as part of this constitution, in article v of the constitution, what was the writers' purpose for including this provision? it allowed future legislators to reword the constitution. it allowed future legislators to abolish the constitution it allowed future legislators to amend the constitution. all of the above