Which early river valley civilizations are marked with the letters c and d on this map?
choose the two correct answers.
a globe with four places marked as a, b, c, and d
c is china
c is egypt
c is indus valley
c is mesopotamia
d is china
d is egypt
d is indus valley
d is mesopotamia

d

explanation:

i think that this is the best answer, but im sorry if this is wrong

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abraham lincoln  (february 12, 1809  – april 15, 1865) was an american statesman, politician, and lawyer who served as the 16th  president of the united states  from 1861 until  his assassination  in april 1865. lincoln led the nation through the  american civil war, its bloodiest war and its greatest moral, constitutional, and political crisis.[2][3]  he preserved the  union,  abolished slavery, strengthened the  federal government, and modernized  the u.s. economy.