It was manly because of the catholic church which remained in the base of Rome. It drew pilgrims from all over Europe, educated clerics to read and write, support arts and architecture.
This is of course impossible to tell, but most agree that if the Articles of Confederation hadn't been replaced by the more powerful Constitution, the federal government wouldn't have had the power to tax the states and therefore wouldn't have been able to re-pay its war debt--causing the new nation to crumble.
Answer:
Development of agriculture
Explanation:
Development of agriculture helped ancient civilizations to settle in one place and focus on growing crops. Agriculture developed near river making lands around them fertile and provided fresh water for irrigation. Civilizations were able to establish their kingdom with people in a large group. They now engaged in other activities including trade, conquering neighbour states, developing technology, building structures, etc.
18 year olds were granted the right to vote via the 26th Amendment