One of the biggest changes in the Zhou Dynasty was the mandate of heaven, linking the ruler more to the gods, meaning that the duty of the king was to honor them. During this period also was a huge development in bronze making as well as written script.
The alliance system in Europe basically was if one country went to war, all of the other countries in that alliance would back up their buddy and go to war as well. This is what happened when Archduke Franz Ferdinand was assassinated and Austria-Hungary was arguing with Bosnia and each of their alliances go pulled in with them too.
As inflation increased and the Roman Empire experienced greater political instability, there started to be uprisings and crime on the outskirts of the empire, which became harder and harder to put down--leading to the eventual fall of the Empire.
The correct answer is A) Flooding created fertile soil that was good for growing crops.
Explaining the Climate of the Fertile Crescent.
The climate of the Fertile Crescent supported early settlements in that "Flooding created fertile soil that was good for growing crops."
That is why ancient civilizations such as the Sumerians could grow and prosper.
Historians consider that Sumeria was the first civilization on planet erath. They settled in the middle of two important rivers, the Euphrates and Tigres, in modern-day Iraq, in the Middle East. There, due to the fertile soil left by the flooding of the rivers, they could grow crops and establish important city-states such as Lagash, Nippur, Kish, Ur, and Uruk.
The Arsenal of Democracy was the trademark utilized by U.S. President Franklin D. Roosevelt, in a radio communicate conveyed on 29 December 1940.American modern yield was 2 times as beneficial as Germany, 5 times that of Japan. Turned the tide of the war. Given a significant part of the provisions and hardware to the Allies.