Article I of the U.S. Constitution established the U.S. Congress. As the legislative branch of the government, both houses of Congress play an important role in the country. Your readers will explore both chambers of the nation''s lawmaking body, with a focus on the various duties of the Senate and the House of Representatives. Essential concepts in the U.S. government and history curriculum are presented in easy-to-digest sections, with a focus on engaging struggling readers through accessible content. Primary sources, graphic organizers, and charts supplement the narrative and make challenging concepts clear.