It was principally the fact that the British Navy was carrying off American sailors and making them work for on the ship of British vessels during the Napoleonic Wars that caused the United States to carry out economic sanctions (commercial and financial penalties applied by one or more countries contrary to a directed country, group, or individual) against them.
The final commander was Ulysses S. Grant
Well once they got that message of black America then all the americans had expressions and they were all shocked that the blacks can come into the U.S. Hope this helped, have a great day! :D
The Alcatraz prison in San Francisco Bay closed in 1963.