It would be D I believe.
Explanation:
Because the U.S. have a very wide economy ranging all around.
Answer:
Covering parts of what is now northern Ethiopia and Eritrea, Aksum was deeply involved in the trade network between India and the Mediterranean (Rome, later Byzantium), exporting ivory, tortoise shell, gold, and emeralds, and importing silk and spices
Explanation:
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-Alaska
I believe it is All of them however as you cannot pick all the only option that wouod be sustained is d
