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Answer:
Population growth and diversity.
Explanation:
In an area with multiple enthic groups and people, socilization and growth leads to others exploring new cultures and learning about them and sharing them. This could also lead to new cultures being forged from two original cultures.
WOW!? That's a lot of questions....:(
President Kennedy visited the city of Berlin to boost the Germans morale and faith in democracy and to have a speech about "how bad communism was"
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