Answer:
Climate changes during the Mesolithic included the retreat of the Pleistocene glaciers, a steep rise in sea levels, and the extinction of megafauna (large-bodied animals). These changes were accompanied by a growth in forests and a major redistribution of animals and plants.
Explanation:
April 1528, an expedition of 300 landed in Florida. Alvar Nunez Cabeza de Vaca gave the earliest account of native flutes. I'm sorry if this doesn't help. This was a tough one.
Answer:
b
Explanation:
He believed in America's unique mission and manifest destiny, was a leading proponent of Texas annexation, demanded the acquisition of Oregon, and supported the war with Mexico. A man of great energy and persuasive power, standing only five feet four inches tall, Douglas became known as the Little Giant
Answer:
B, American citizens were afraid that that Soviet Union might engage the United States in a nuclear war.
Explanation: