How and why has civilization changed over-time?

Although the three-fifths compromise northern and southern states reach an agreement that allowed for ratification of the constitution, in the long run it had a negative effect on the nation because a) it gave too much power to the executive branch of the government. b) it forced the founding fathers to add the bill of rights to the constitution. c) it was only a temporary solution to the argument between "free" and "slave" states. d) it gave too much power to state governments and not enough to the federal government.

What does the second video tell you about life in the united states compared to life in russia?

(05.04 mc) how did the roman transportation system keep the empire strong? plz