GU. An unincorporated territory of the United States, the largest and most southerly of the Mariana Islands in the western Pacific Ocean. Inhabited since ancient times by the Chamorro people, Guam was visited by Magellan in 1521 and ceded by Spain to the United States in 1898. Agana is the capital.
The Republican victory in that election resulted in seven Southern states declaring their secession from the Union even before Lincoln took office on March 4, 1861. Both the outgoing and incoming U.S. administrations rejected secession, regarding it as rebellion.
What were the first seven Southern states that seceded from the Union? The first state to secede was South Carolina on December 20, 1860.  It was followed by six other southern slaves states including  Mississippi, Florida, Alabama, Georgia, Loâ¦uisiana, and Texas.