Im not sure but I think it was the beginning of modern warfare.
I think the author is Niccolo Machiavelli.
Suffrage, i had this class last year.
According to political scientist Brian R. Dirck, the most famous executive order was by President Abraham Lincoln, when he issued the Emancipation Proclamation on January 1, 1863: The Emancipation Proclamation was an executive order, itself a rather unusual thing in those days.