History has been erased. Talk to someone under the age of 30.
Goes like, slavery was ended when Lee surrendered at Appomattox. It took two months to get the word to Texas, because the South's internet lines were cut by the North. As a result, Pony Express riders carried the message, reaching Texas on June 19th.
I thank God that my then-8 YO grandson said, "Opa, there was no internet during the Civil War." He was the first, of a very few, to refute my joke.