The Olmec on the Gulf of Mexico.
Answer:On September 3, 1939, in response to Hitler's invasion of Poland, Britain and France, both allies of the overrun nation declare war on Germany.
Explanation:
Answer: Andrew Jackson killed many indians and enslaved them.
Answer:
Radiation exposure, increased cancer rates, etc
Answer:
In my opinion, JP Morgan treated his workers Terribly! he caused so many falling wages and he was careless about the health and safety of the workforces of his companies.