The Warsaw Pact allowed for the Red Army to be based in member states. It also provided for a unified military command and a system of mutual assistance. This enabled the Soviet Union to launch a multinational invasion of Czechoslovakia in 1968.

false

step-by-step explanation:

false.   two legs of the trapezoid would be congruent, but the other two would not.   were all the legs congruent, then we'd have a square; were the 2 shorter sides congruent and the 2 longer sides also congruent, we'd have a rectangle.

it is contrapositive

i could not see the question too well so check yourself again too . this is because i want you to get it correct.