Spanish minister Do Luis de Onis and U.S. Secretary of State John Quincy Adams sign the Florida Purchase Treaty, in which Spain agrees to cede the remainder of its old province of Florida to the United States. ... Florida was organized as a U.S. territory in 1822 and was admitted into the Union as a slave state in 1845.
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Because the assembly wasn't fully assembler in the money main
I think Nigeria but i am not sure sorry i hope this helps :)
I think it is b because i know all other sources can be a freshwater ecosystem and swamps have a freshwater and salt water kinds so ya