The 19th-century leader of New York City's Tammany Hall who went to prison after conviction on charges involving massive fraud was:.

William Magear Tweed

Explanation:

William Tweed was a leader Tammany Hall, New York City. Tweed elected to the House of Representatives in the United States in 1852. He involved in massive fraud stealing millions of money from New York City taxpayers. Tammany Hall was a political machine which was consist of dishonest politicians who played a role in controlling New York City and its politics. They also helped immigrants and benefited through getting a rise in politics from the 1790s.

answer; the edward snowden leaks of nsa classified material;

not  

cuba  

russia  

iraq  

el salvador  

explanation:

known as the land of volcanoes, el salvador has visit seismic tremors and volcanic movement. it is the main nation in central america that does not have a coastline on the caribbean sea. about portion of all salvadorans live in the wide open. they are poor and don't have power or running water in their homes. in 1525, pedro de alvarado, a lieutenant of cortés's, vanquished el salvador. el salvador, with alternate nations of central america, pronounced its freedom from spain on sept. 15, 1821, and was a piece of a league of central american states until the point when that association broke up in 1838.