History
Visas were not generally necessary before World War I (1914–1918), but have since become standard, even while the initial fears of spying ceased with the end of the war.
Read more about this topic: Visa (document)
Famous quotes containing the word history:
“In the history of the United States, there is no continuity at all. You can cut through it anywhere and nothing on this side of the cut has anything to do with anything on the other side.”
—Henry Brooks Adams (1838–1918)