Energy, which causes the built up pressure. :)
Farmers of the late 19th century did not benefit from the "McKinley Tariff," since this only made certain foreign goods more expensive by placing a general tax on their import.
Answer:
As neither Bush nor Vice President Dic k Cheney sought the presidency, the 2008 election was the first election since 1952 in which neither major party's presidential nominee was the incumbent president or the incumbent vice president. ... After a long primary season, Obama clinched the Democratic nomination in June 2008.
Explanation:
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