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<span> In the last quarter of the 19th century, all four items were sources of energy. Kerosene was commonly used for lighting, electricity was beginning to replace gas lighting and steam was used to power boats, trains, and certain kinds of industrial machinery. Gasoline was the primary fuel of the automobile, or "horseless carriage," which appeared in the 1890's. Of these four, however, steam was introduce the earliest. The concept of the steam engine goes back to ancient times. However, the steam engine was really introduced as a common source of energy early in the 18th Century. So while kerosene, gasoline, and electricity as an energy source were all developments of the 19th century, Steam power is at least a century (and maybe more) older. </span>
Repetition, endurance, and rhythm
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The Stamp Act (March 1765) To recoup some of the massive debt left over from the war with France, Parliament passed laws such as the Stamp Act, which for the first time taxed a wide range of transactions in the colonies.
The Townshend Acts (June-July 1767) Parliament again tried to assert its authority by passing legislation to tax goods that the Americans imported from Great Britain.
The Boston Massacre (March 1770T) Simmering tensions between the British occupiers and Boston residents boiled over one late afternoon, when a disagreement between an apprentice wigmaker and a British soldier led to a crowd of 200 colonists surrounding seven British troops.
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