B is the answer because pangea is one super continent
The Industrial Revolution was one of the great changes in Western and ultimately
worldhistory. Taking shape toward the end of the 18th century in Great Britain, industrialization dominated th 19th century in Western Europe and North America.
I think that the US did have the right to prevent the spread of communism. Any nation that turned communist (except for Yugoslavia) turned out to be because the Soviets arranged it to threaten the US. For example; the Soviets used Cuba to place missiles in the Americas, and China used Vietnam to threaten NATO outposts in the South China Sea. Any nation that was communist was clearly aligned with the USSR, and determined to threaten the US.
<span>On his first voyage in 1534, Cartier
sailed westward from France across the Arctic Ocean. It was during this
journey that he named the Gulf of Saint Lawrence. He returned to France
dejected, though, because he had been unable to sell any watches.</span>