John Maynard Keynes published the Wealth of Nations and is known as the father of modern Economics.
True
False

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.

  b.

there are isolated pockets of farming, generally around rivers and oases, which are used for irrigation.