Failed compromises--Missouri Compromise, Wilmot Proviso, Compromise of 1850, Kansas-Nebraska Act
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After the gaining of land following the Mexican-American War, the Missouri Compromise was thrown out. After that was a series of compromises put into place which essentially was putting a band-aid on a bullet wound. Each pushed off the issues of slave v. free states until the election of 1860. <span />
advancements in technology and agriculture
The goal of the Obama administration in US was to revive the economy, provide affordable and accessible health care to all, strengthen public education and social security systems. Also, one of his goals is to clear path to energy independence and to discuss climate change.
Many new machines like the cotton engine. It improved men's clothing and provided new weapons. (Industrial Revolution)