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Tuniss
Here are the statements: 
-By the mid-1830’s routes connected Athens, Augusta, Macon and Savannah

-Led to the construction of Marthasville in 1845

-Georgia claimed more miles than any other state in the Deep South by 1850

These statements are describing Georgia's's railroad system.

Construction of Georgia's first railroad system began in the mid-1830s with routes leading from Athens, Augusta, Macon, and Savannah. Some twenty-five years later, the state not only could claim more rail miles than any other in the Deep South but also had linked its major towns and created a new rail center, Marthasville (later known as Atlanta).