Key Terms
The Progressive Era (roughly 1890-1920) was a period of widespread social activism and political reform across the United States, aiming to address problems caused by rapid _ and urbanization.
Journalists who exposed corruption and societal problems in the early 20th century, like Upton Sinclair exposing unsanitary conditions in meatpacking plants in his novel _.
Theodore Roosevelt's foreign policy approach, characterized by a willingness to use military force to achieve foreign policy goals, famously stating 'speak softly and carry a _ __________.'
An addition to the Monroe Doctrine, declaring the U.S. would act as an 'international _ __________' in Latin America to prevent European intervention.
Germany's policy of sinking merchant ships without warning, including passenger liners like the _, which was a key factor in the U.S. entry into WWI.