Answer: Most likely the industrial revolution.
Explanation: The use of machines in production became more and more prevalent, eventually many factories were built in cities which caused pollution therefore making the air gross.
Answer:
You would need to look South-East of America, it is situated above Florida
Explanation:
This is known in history as the Civil Rights Act of 1866 where a coalition was formed by both moderate and radical republicans. In such act, it made African Americans citizens of the United States of America, including the total elimination of discrimination against African Americans.
<span>Iroquois. Which isn't technically a tribe, but a national confederacy comprised of 6 different tribe under a united government.</span>