Answer:
air pollution
That's what i think i dont know if its right.
The economical boost of selling of cotton lead to the cotton gin being created during this period of time. Unfortunately, more cotton being produced meant more slaves being needed.
<span>The United States shared a common language and literature with Britain</span>
Answer: World War One started on July 28th, 1914 and World War Two started in September 1st, 1939
