Read the quote from james madison.
if men were angels, no government would be necessary. . in framing a government which is to be administered by men over men, the great difficulty lies in this: you must first enable the government to control the governed; and in the next place, oblige it to control itself.
the main idea that madison addresses is why the us government
(a) is needed.
(b) must control people.
(c) is not needed.
(d) must not control people.

Option (a) is correct.

Explanation:

In the lines stated in comprehension, Madison tries to impart the message that if men were flawless, then there will be no need for the establishment of government since from this point onward there will be no discord, crime, or injustices.

On the other hand, in a real life scenario no man is "perfect", we aren't enlightened enough to harmoniously build and manage a society.

Therefore a government is needed.

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place.

european feudalism was a combination of legal and military customs in medieval europe that flourished between the 9th and 15th centuries. broadly defined, it was a way of structuring society around relationships derived from the holding of land in exchange for service or labour.

japanese feudalism. the era of feudalism in japan took place from the 12th through 19th centuries. during that period local rulers, either powerful families or military warlords, dominated the land, while the emperor was merely a figurehead and not a significant political presence.