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Who Built These Mysterious Concrete Arrows?
history.howstuffworks.com/american-history/who-built-these-mysterious-concrete-arrows.htm
Giant arrows guided American airmail pilots on nighttime routes up until the 1940s. HowStuffWorks takes a look.
How Campaign Finance Works
money.howstuffworks.com/campaign-finance.htm
Campaign finance is big business and may cost you a presidency. Learn about campaign finance history, contributions, spending and reform strategies.
HowStuffWorks Newsletter Quiz
www.howstuffworks.com/howstuffworks-newsletter-quiz.htm
If you took one of our recent newsletter quizzes, you've come to the right place for the answers.
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