Which land form makes up much of northern and eastern Europe?

A plains
B mountains
C mesas
D plateaus

answer; /// i believe the correct answer is (when one group has an extremely high score at pretest;

abraham lincoln issued the preliminary emancipation proclamation on september 22nd, 1862. it stipulated that if the southern states did not cease their rebellion by january 1st, 1863, then proclamation would go into effect.

answer; i believe the answer is 80%, plz check first good luck;