What two rivers cover up much of tennessee

Pretty sure its mississippi river and cumberland river(sad i don't know this and i live there) but mississippi river makes up the western border for the state and branches into a lot of TN, then cumberland river just kinda goes through and branches a lot

Pretty sure its mississippi river and cumberland river(sad i don't know this and i live there) but mississippi river 

Answer the interactions between nature and nurture;