In 1917, Germany, determined to win its war of attrition against the Allies, announced the resumption of unrestricted warfare in war-zone waters. Three days later, the United States broke diplomatic relations with Germany, and just hours after that the American liner Housatonic was sunk by a German U-boat.
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In the early 1800s, several semi-skilled trade unions formed – once again, Philadelphia unions played a major role - and factory strikes and walkouts became more common
Explanation:
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Answer:
<em>There </em><em>are</em><em> two types of steamboats: an East Coast type and a Western Rivers type.</em><em> </em><em>The</em><em> </em><em>first</em><em> </em><em>steamboat</em><em> </em><em>was</em><em> </em><em>invented</em><em> </em><em>by</em><em> </em><em>an</em><em> </em><em>American</em><em> </em><em>inventor</em><em> </em><em>named</em><em> </em><em>Robert</em><em> </em><em>Fulton</em><em> </em><em>in</em><em> </em><em>180</em><em>7</em><em>.</em><em> </em><em>I</em><em>t</em><em> </em><em>was</em><em> </em><em>called</em><em> </em><em>the</em><em> </em><em>Clermont</em><em>.</em>
Your answer is the first one. Domestic Servant, Skilled Trades, and field workers.