In which John Green talks about the many revolutions of Latin America in the 19th century. At the beginning of the 1800s, Latin America was firmly under the control of Spain and Portugal. The revolutionary zeal that had recently created...

In 1823, President James Monroe redefined U.S. foreign policy with a three-paragraph addition to his State of the Union address. The Monroe Doctrine ultimately led to a new era of U.S. imperialism.