Answer: It revolutionized the cotton industry in the United States, but also led to the growth of slavery in the American South as the demand for cotton harvesting rapidly increased. The invention has thus been identified as an inadvertent contributing factor to the outbreak of the American Civil War
Explanation:
European did not introduce slavery to the west Africa
So it's B
Hitler's invasion of Poland in 1939 also known as the September Campaign.
Answer:
September 1, 1939 – September 2, 1945
Explanation:
To contain the spread of communism. At the time it was spreading throughout most of the eastern half of Europe and some parts of the Middle Easy and Asia also.
