Virgils real BBQ, The Town Hall, The Lambs Club, Carmine's
The monarchy and the autocracy both have a head. The head is one of the powerful group. As they continue as leaders they would become a stronger group altogether. So basically one leader of the two groups that controls everything and is the most powerful one.
If you're referring to the post WW2 period, then it was fairly simple, the United States wanted to create a democratic liberal country that would share their political goals in Europe, while the Soviets wanted to make it into a Communist state that would share their goals and ideals in Europe. Each would have their own central European country to control the remainder of Europe.
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Answer: Many different answers. A few examples are: Americas lack of industrialization, European technological advancements in sea travel were far greater than the Americas, Europe had a need to travel to find more land while the Americas inhabitants did not, etc...