It has helped with the European economies, traveling within the EU is better and easier, the countries in the EU will basically never go to war because they are allies.
As for culture, the culture has kinda spread around since the countries are unified. Like I said they can travel easier so culture gets spread and shared I guess you could say. Hope this helps man
A. Absolutely true
The 1960's and 1970's were a time that new drugs like LSD came out and people started experimenting with sex and drugs which led to the sexual revolution.
Answer:
The most important outcome of the Adams-Onis Treaty of 1821 was Florida was acquired by the United States. The treaty was considered as a victory for North America. Florida had already become an emerging problem for Spain by then.