Answer:
Europe has had the most wars in human history. All the wars in europe have been started either by, Denmark, Germany, or Sweden.
Answer:
The peoples of Sumer are among the earliest denizens of Mesopotamia. By about 4000 BCE, the Sumerians had organized themselves into several city-states that were spread throughout the southern part of the region. These city-states were independent of one another and were fully self-reliant centers, each surrounding a temple that was dedicated to god or goddess specific to that city-state. Each city-state was governed by a priest king.
Sumerian Cities
Though they shared the Sumerian language as a form of communication, these city-states shared little else, and were in a constant state of warfare, often battling each other for control over water supplies and the fertile land. A typical Sumerian city was well fortified with thick, tall walls, which the king was responsible for maintaining, in hopes of deterring would-be attackers. Within a Sumerian city’s walls were avenues that were used for religious processionals, and high, stepped temples know as ziggurats. Sumerian cities often had several ziggurats, each dedicated to a different god or goddess.
Explanation:
It was a chain reaction. Long story short, the countries were pulled into the war because of agreements they had with their allies. This treaty is what caused the countries to enter WWI, to protect and defend their allied countries who were already in the war.
The main Axis powers were Germany, Japan and Italy. The Axis leaders were Adolf Hitler (Germany), Benito Mussolini (Italy), and Emperor Hirohito (Japan).