The 100 year period peace and prosperity is Pax Romana.
As far as I remember, the answer is: One historical contribution of the Neolithic period is the overall ability to grow crops. Neolithic period is the period when people earned advanced skills in growing corps.
1) German language
The modern German language is actually a somewhat artificial construct, as to unify the dialect and create one, common German language. Before this, many places each had their own dialects, and especially in the South, the dialects are often still spoken (along with the standard)
2) Galician - currently Galician has 3 standards, but there are efforts to create one standard, in order to strenghten the language's presence in Spain (but it's problematic since many speakers don't identify with the standard as much as with their own dialect)
Answer:
The Lost Generation was the social generational cohort that came of age during World War I. "Lost" in this context refers to the "disoriented, wandering, directionless" spirit of many of the war's survivors in the early postwar period.
Explanation:
Hope it helps -Alexsys