<span>The progressives were successful in reforming the federal government's taxes. In 1913, Woodrow Wilson enacted the Revenue Act of 1913, which included a graduated income tax - a tax that taxes the wealthy at a higher rate than those who are not as well off.</span>
Answer: True
Explanation: Contact events involving the Aztecs, Mayans, and Inca civilizations were especially dramatic, primarily because Mexico and Peru had the highest population densities and the most extensive trade and transport networks in the Americas. Such factors provide ideal conditions for the spread of epidemic diseases.