Nomadic life-
Disadvantage No specific place to live
Advantage Can follow the sources of food
Permanent settlements-
Disadvantage You have to stay in one place, even when the food leaves
Advantage You can farm and have a home to yourself
More importantly, Alexander's conquests spread Greek culture, also known as Hellenism, across his empire. In fact, Alexander's reign marked the beginning of a new era known as the Hellenistic Age because of the powerful influence that Greek culture had on other people.
I think it would be the treaty of Paris in 1763?