The answer is a because you said it was
B) The surrender of Detroit
The unprecedented levels of production in domestic manufacturing and commercial agriculture during this period greatly strengthened the American economy and reduce dependence on imports. The Industrial Revolution resulted in greater wealth and a larger population in Europe as well as in the United States.
Answer:
Cyrus built his empire by first conquering the Median Empire, then the Lydian Empire, and eventually the Neo-Babylonian Empire. He led an expedition into Central Asia, which resulted in major campaigns that were described as having brought "into subjection every nation without exception."
Explanation: