Opec began an oil embargo of the united states
The major challenges to historical research revolve around the problems of sources, knowledge, explanation, objectivity, choice of subject, and the peculiar problems of contemporary history. Sources The problem of sources is a serious challenge to the historian in the task of reconstructing the past.
they are expressing the idea that the Articles of Confederation are going to make it difficult for the country to advance.
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Harriet Tubman changed the world by escaping from slavery, becoming an abolitionist and helping many slaves attain their freedom by means of the Underground Railroad, a secret network of routes and safe houses to aid runaway slaves. Later in life, she helped John Brown plan his raid on Harper's Ferry and assisted the Union army during the Civil War as a scout, spy and nurse.
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The delegates placed a similar fugitive slave clause in the Constitution. This was part of a deal with New England states. ... It also resulted in the illegal kidnapping and return to slavery of thousands of free blacks. The three-fifths compromise increased the South's representation in Congress and the Electoral College.
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