Which of the following was necessary before the U. S. Constitution went into effect? A.
It needed to be accepted by 9 of the 13 states.
B.
It needed to be accepted by all the American voters.
C.
It needed to be accepted by all 13 states.
D.
It needed to be accepted by the Supreme Court.

true

coz they had the rank system in society according to the economic power of the people

the correct answer is:   the domino theory states that if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect.

a widespread disease that killed many people

the split of the christian church

invasion from arab muslims