It led to the need of organized government.
<span>it's the second one. it would be best for Sam to work only on making sales calls. </span>
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