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Riders are usually created as a tactic to pass a controversial provision that would not pass as its own bill. Occasionally, a controversial provision is attached to a bill not to be passed itself but to prevent the bill from being passed (in which case it is called a wrecking amendment or poison pill).
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She began teaching school at age 14. In 1819, she returned to Boston and founded the Dix Mansion, a school for girls, along with a charity school that poor girls could attend for free. She began writing textbooks, with her most famous, Conversations on Common Things, published in 1824.
Answer:
The first transcontinental line was established in 1869. Eventually, railways lowered the cost of transporting many kinds of goods across great distances. ... Busy transport links increased the growth of cities. The transportation system helped to build an industrial economy on a national scale.
"The following month, Germany sunk four more U.S. merchant ships. ... On April 6, 1917, the United States entered World War I. Get a firsthand look at how a new breed of weapons like WMDs, submarines, armored tanks and air attacks changed modern warfare forever in WWI: The First Modern War"