What was the most common material used by pre-historic man to create weapons?

In Venezuela, hydroelectric power is taken from the:

What is the battle of the bull run and the significance

How did steamboats, canals, turnpikes, and railroads affect migration patterns in the United States? (I know that they made more people migrate west, but how/why?)

Who was the first king of England

In what way was Hitler's "Final Solution" an application of Nazi beliefs? A. He forced non-Aryans out of Germany in order to make room for German speakers. B. He deported groups deemed inferior so that only German speakers remained in Germany. C.

How do Japan's actions before and during World War II compare with Germany's actions over the same period

In the food chain below, which population will most likely decrease if snakes are removed from the food chain? grass > grasshopper > frog > snake> hawk

Which of the following statements describes trade between Portuguese merchants and merchants of the Ming Dynasty? Portuguese merchants traded European textiles and metals for Chinese silk and porcelain.

What did the ancient greeks have a hardtime doing becuase there were few rivers?

The constitution is based on the concept of