If there was no technological advancement what would be our society like

WHAT SOCIETY?!

Every night we'd still be squatting in caves, hunched around campfires, waiting for the leopards to pick us off

It's hard to have a society when your means of communication are nearly zero and therefore can't sustain the dialogue necessary to develop the shared values needed to form a society.

answer(normalization)

given the options, i would say your best bet is c. the modem supports up to 56 kbps, which is too low for video streaming. dial up modems use actual phone lines, which only can go up to 56 kbps as that's more than sufficient for traditional phone calls. this is also the reason why when a dial-up modem connects, you hear all those sounds. it's literally using the phone line to establish a connection.