B. The fear that communism would fail in the United States
After the stove is turned off, convection currents continue to transfer energy through the water for a period of time
Barbarians destroyed a lot of the documentation in 390BC, Historians now are left to piece the puzzle and grasp an understanding based on the evidence left
In 1999, all nations agreed to adopt the euro except Britain.
So correct option is B
Christopher Columbus was the first explorer to sail what are today the Caribbean Islands between North and South America. He sailed for Spain. Hope it help!