The reason why historians use the term “Middle Ages" is because this timer period took place between the fall of the western Roman Empire and the Renaissance--which were two major, innovative periods of history, whereas not much happened in the Middle Ages relative to them. <span><span>
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It was the "oil crisis" that was one major cause of the recession in the United States in the 1970s, since many countries in the Middle East cut prices to manipulate prices. This put a focus on alternative energy sources that continues today.
Eight presidents have died in office.
These presidents include William Harrison (illness), Abraham Lincoln (assassination), Zachary Taylor (illness), James Garfield (assassination), Warren Harding (illness), William McKinley (assassination), Franklin Roosevelt (illness), and John F. Kennedy (assassination).
