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iCivics Curriculum Unit

A Growing Nation

Being the new kid on the block wasn't enough for the United States. Early Americans wanted their nation to be bigger, too. (And probably badder.) They succeeded--but at a cost. In this unit, students learn how the United States began to grow as soon as it became a nation, and they examine the effect of this growth on societies already established in North America. 

** This unit groups together lessons that are also found in the Geography Library and Road to the Constitution units. You can still find those lessons in their original locations.

Choose Grade Level:

  • Lesson Plan

    We're Free... Let's Grow!

    With the end of the Revolutionary War, America’s geographical size doubled… but how should new territory be added to the United States? Learn about the issues raised by this American “first” and the challenges the nation faced with its new Northwest Territory.
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  • Lesson Plan

    Louisiana Purchase (1803)

    In this map-based lesson, students learn the historic importance of the Mississippi River and why the U.S. was determined to maintain access. They find out how the United States acquired the land that made up the Louisiana Purchase—and just how little anyone knew about that land before handing over the purchase price!
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  • DBQuest

    Cherokee Resistance

    The 1830 Indian Removal Act authorized President Andrew Jackson to negotiate treaties with tribes in order to relocate them to land west of the Mississippi & open their lands to white settlement. The Cherokee resisted relocation. This DBQuest looks at the responses of the Cherokee and how they tried to keep their sovereignty, or independence. Sources include speeches made by members of the Cherokee, Elias Boudinot and Major Ridge; as well as a petition to the U.S. Congress disputing the Treaty of New Echota.
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  • Lesson Plan

    Manifest Destiny

    In this lesson, students get an introduction to the concept of Manifest Destiny. Even before the phrase “Manifest Destiny” was first used in 1845, many Americans believed the U.S. was destined to grow. Students learn what this philosophy looked and sounded like in the 19th century and preview United States expansion. This lesson is intended to serve as an introduction to further study of American expansion.  
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  • Lesson Plan

    Oregon Treaty (1845)

    With the Oregon Treaty, the United States added what today is the Pacific Northwest. In this mini-lesson, students learn how it happened, what tensions were involved, and how Native Americans were affected.  
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  • Lesson Plan

    Annexation of Texas (1845)

    The United States annexed Texas after years of debate. In this mini-lesson, students learn about Texas’ independence from Mexico, the role of slavery in delaying Texas’ admission, and how President Tyler pushed annexation through in the final hours of his presidency. 
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  • Lesson Plan

    Mexican Cession (1848)

    The Mexican-American War ended with Mexico giving up a million acres of land to the United States. In this lesson, students learn about Americans’ drive to expand west, tensions between the U.S. and Mexico, and President James Polk’s actions that started a war between the two countries. This lesson also includes the Gadsen Purchase of 1853.  
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  • Lesson Plan

    We're Free... Let's Grow!

    With the end of the Revolutionary War, America’s geographical size doubled… but how should new territory be added to the United States? Learn about the issues raised by this American “first” and the challenges the nation faced with its new Northwest Territory.
    View kami
  • Lesson Plan

    Separate and Sovereign

    The relationship between Native nations and the U.S. federal government is important to understand. This mini-lesson provides an overview of tribal sovereignty from the past to the present. It also introduces students to the controversy surrounding the federal approval of construction projects that affect tribal land.How to use this lesson: Use this lesson by itself or pair it with more iCivics resources, like the Supreme Court case Lyng v. Northwest Cemetery Protective Association (1988) or our Tribal Government lesson. For more suggestions, see the downloadable teacher resources below.
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See how it all fits together!

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