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The main factors that created rising tensions between European powers were;
- The enlargement of armies through militarism.
- The spread of nationalism through uprisings.
- The formulation of alliances through agreements.
- The spread of imperialism through conquests.
The United States allowed immigration to help the victims avoid the Holocaust although not in the larger numbers that could have been more helpful. The United States entered the war in 1941 and also attacked Germany in retaliation. The Holocaust continued because the Nazis had a very well organized system of apprehension of people that were put in the camps.
The large stone structures created by the Neolithic Europeans are called the Stonehenge. It was built around 4500 - 4000 years ago. It's a circle of stones also known as the megalithic monument.
The Byzantine Empire had kept the cultures safe for nearly a thousand years.
