The Erie canal was started in 1817 and was finished in 1825 at a length of 363 miles.
All the illnesses that are being passed done generations. Like cancer from all the chemicals and radiation. Or the PTSD that is passed down with the generations. There are a lot of illnesses that can be talked about.
Islam originated in Mecca and Medina, Saudi Arabia.
The American Revolution was principally caused by colonial opposition to British attempts to impose greater control over the colonies and to make them repay the crown for its defense of them during the French and Indian War (1754–63).