Answer: the invention of cotton gin
Explanation:The cotton gin refers to a a machine that sets aside cotton fibers from their seeds. Therefore, the invention of the cotton gin transformed the cotton industry in the United States and demanded cheap labor force, which led to the rise of slavery in the South and to the American Civil War later.
Answer:
The poorer areas of the cities were characterised by overcrowded, badly built, unsanitary living accommodation, and filthy streets. Cholera, carried by dirty water, killed 16,000 Londoners in 1849 alone, and smallpox, scarlet fever, typhus, scurvy and rickets were rife.
Their motto was to keep madrid the tomb of facism. they also fought with other countries. The spanish civil war is known the dress rehearsal for world war two because it was in time in which new weapons and technologies could be tested for use. The sspanish civil war ended in 1939 the same year the world war two started.
Answer: C
Explanation:
I do believe it's c if not I'm sorry
Test his freinds ..........