Tent and mules are nouns. Grand Canyon and Arizona are nouns too but they are proper nound. And slept is an action.
Adolf Hitler lead the Holocaust so the answer would be the same for both questions. The answer to those is between five and six million Jews died during the Holocaust. It is impossible to know how many Jews died exactly though.
Answer: The Akkadians managed to unite Mesopotamian city-states
Explanation: Under the rule of Sargon and subsequent kings of the kingdom, the Akkadian Empire, which is considered the first acknowledged empire in history, reached a peak around the 22nd century BCE.
By conquering other countries to divide them into a single Mesopotamian empire, Sargon created the Akkadian empire and replaced existing Akkadian noble people to replace rulers.
In the west and over Elam in the east, the Akkadian empire stretched up to the Mediterranean Sea.
The life style of the first English settlers of America was with no doubt: Harsh. It was a very difficult situation, fleeing England from Religious prosecution an arriving to an known land with nothing more than their clothes, the wood from the ships and some tools, arms and provisions to live. The had to prevail against all the odds in a strange and savage environment.