The historians that came of age during the middle to late twentieth century tended to turn their attention toward : Social and cultural events and themes
This refer to the period between 1960 - 1999. many of them refer to the events that happen before this as 'history from below'
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April 12th 1861 and lasted April 9th 1865
The Federal Reserve System is in charge of monetary policy, such as setting interest rates. Fiscal and tax policies are determined by the legislative branch of government.
Albeit this is a basic answer, World War Two was a major catalyst to an increased focus on internationalism. In addition, financial and political interests (most notably for political interests is the Cold War) are both legitimate reasons to why the United States of America has remained as a major part of international affairs.
Answer:
The Tammany Society emerged as the center for Democratic-Republican Party politics in the city in the early 19th century. After 1854, the Society expanded its political control even further by earning the loyalty of the city's rapidly expanding immigrant community, which functioned as its base of political capital.