To explain how fire was made
Answer: The Ohio River Valley
Explanation:
Japans victory over Russia. Japan opening its country up.
The agricultural revolution caused mortality rates to plummet and population to dramatically increase. Due to the surplus of food, the amount of deaths decreased and this allowed people to live for a longer amount of time and have more children to feed.
In October 1983, Reagan ordered U.S.troops to invade Grenada, a Caribbean island nation, after he determined that its turbulent Marxist government posed a threat to the almost 1,000 Americanson the island (many of whom were students at a medical school).