How are the Bell Telephone Company and
AT&T related?

AT&T began its history as Southwestern Bell Telephone Company, a subsidiary of the Bell Telephone Company, founded by Alexander Graham Bell in 1877. The Bell Telephone Company became the American Telephone and Telegraph Company in 1885 and was later rebranded as AT&T Corporation.

Explanation:

they remained in rural areas and worked at jobs such as lumbering or farming.

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.