The answer is c their unique geographic features
Id have to say D. would be you answer
The Adams–Onís Treaty of 1819, also known as the Transcontinental Treaty<span>, the Florida Purchase Treaty, or the Florida Treaty, was a treaty between the United States and Spain in 1819 that ceded Florida to the U.S. and defined the boundary between the U.S. and New Spain.
Welcome XD</span>
Alonzo Franklin Herndon was an African-American entrepreneur and businessman in Atlanta, Georgia. Born into slavery, he became one of the first African-American millionaires in the United States, first achieving success by owning and operating three large barber shops in the city that served prominent white men.
