The First Crusade was highly successful, while the Second was not is correct .
The Arno River (C) is an important river located in the Tuscan Region of Italy and was an important geographic feature which helped Florence to become a trade center.
The Phoenicians used sand to make glass
John Adams was the second president of the United States of America. He was also the first Vice President. John Adams was one of the founding fathers that led to America's independence from Britain.
