The answer would be A. American Revolution.
Answer:A..Modern Science?
Explanation:Modern Scientific Origin Story: The Big Bang. From vast nothingness to a Universe of stars and galaxies and our own Earth. ... Since that moment 13.8 billion years ago, the Universe has been expanding — and cooling down as it gets bigger. Gradually energy cooled enough to become matter.
The steamboat not only moved people, but also goods. With the high demand in goods and fuel for these boats; along came thousands of jobs in the coal mines and in the factories. The steamboat also led to thousands of new settlement across America's rivers, including the huge boom of Indiana's Ohio River Cities.
