The Byzantines continued the Roman legacy of empire, war, and law for
almost
after Romulus Augustus was driven
out of Rome.

in all honesty, it really hasn't. except that hitler killed himself.

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.

after the aryan's settled in india they changed for the better i bellieve they changed from nomads having to keep moving to being farmers   they were aswell avaible to turn the ganges river into farmland.   which is great they added a big affect on farming as we know of it today.

collect the tariff by force if necessary

use the military to enforce a federal law

b and c