Jazz, the womens flapper look, womens rights movement, gangs and prohibition.
It helped everything happen faster and more efficiently
King James I ruled England when Jamestown and Plymouth were settled.
Vladimir Lenin was famous he was a dictator in another country if that helps.
A suicidal action in order to harm the enemy. Kamikaze soldiers are prepared to give up their lives for their cause, often due to a belief that they will be honored in the afterlife because of it.