Through much of the nineteenth century, Great Britain avoided the kind of social upheaval that intermittently plagued the Continent between 1815 and 1870. Supporters of Britain claimed that this success derived from a tradition of vibrant parliamentary democracy. While this claim holds some truth, the Great Reform Bill of 1832, the landmark legislation that began extending the franchise to more Englishmen, still left the vote to only twenty percent of the male population. A second reform bill passed in 1867 vertically expanded voting rights, but power remained in the hands of a minority--property-owning elites with a common background, a common education, and an essentially common outlook on domestic and foreign policy. The pace of reform in England outdistanced that of the rest of Europe, but for all that remained slow. Though the Liberals and Conservatives did advance different philosophy on the economy and government in its most basic sense, the common brotherhood on all representatives in parliament assured a relatively stable policy-making history.
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Answer:
The ability to make the purchase wasn't in the Constitution but the deal needed to be completed quickly.
Most immigrants to the United States in the antebellum era came from Germany and Ireland.
There were various reasons why they emigrated into the States, but the most important one was civil unrest in their native countries. Also, they couldn't find jobs home, and they heard that America is a land of freedom and opportunity, so obviously they wanted to be successful too.