They followed the seasonal grazing and migration of buffalo because they survived on hunting. This was because the ground was not fertile enough for long-term crops and like today, there were tornadoes.
<span>Since the Paleolithic Era was also known as the "Old Stone Age" this means that this humans primarily used stone for tools, although other materials such as wood were sometimes also used.</span>
You don't show options, so here are the different definitions
1. "the study of past events, particularly in human affairs."
2. "the whole series of past events connected with someone or something."
3. "a continuous, typically chronological, record of important or public events or of a particular trend or institution."
John Brown's Raid was a revolt that led the Americans:
• Some rallied behind him and some against him.
• Few joined the revolt
• Democrats blamed the Republicans
• Republicans blamed John Brown
• Raid on Harper's Ferry
• Southerners assembled to prepare for war
• Cotton prices went down.