Actually every single one is correct, A<B<C they all are factors in the decline of Sumer.
Answer:
Known as the Cold War, this conflict began as a struggle for control over the conquered areas of Eastern Europe in the late 1940s and continued into the early 1990s. Initially, only the United States possessed atomic weapons, but in 1949 the Soviet Union exploded an atomic bomb and the arms race began.
Explanation:
Answer:
A) Thomas Jefferson
Explanation:
The first US president was George Washington, then followed by John Adams, and then finally Thomas Jefferson.
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