So the geography was mostly mountains and they didn't want to have to climb over them to get west because they were pretty much lazy bums
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Memorial Day commemorated soldiers killed in World War I
<span>Homo neanderthalensis</span>
Answer:
They may base events from history on periods of time using a certain theme, so to say. This way, it allows them to organize information in a chronological order and base events on how severe they were and what led up to the most significant event in that time period, because a turning point is basically the most important part in a time period which initiated change. This also emphasizes on the importance of transitions.