CLEP U.S. History I 084: Manifest Destiny as Ideology and Debate

CLEP U.S. History I 084: Manifest Destiny as Ideology and Debate

U.S. History to 1877 | Chapter 15 | Lesson 15.6

The phrase Manifest Destiny expressed the belief that U.S. continental expansion was providential, historically destined, and beneficial. It joined older republican hopes, racial hierarchy, Protestant mission, economic ambition, security arguments, and partisan politics. Its power came from presenting choice as inevitability. If expansion was destiny, war and dispossession could appear as steps in a natural process rather than decisions for which leaders and voters bore responsibility.

Newspaper editor John L. O’Sullivan used the phrase in 1845, but historians should not treat one editor as the sole author of expansion. The phrase condensed arguments already present in electoral politics, settler migration, missionary projects, commercial planning, and racial thought. Its historical importance lies less in a precise doctrine than in the work it performed: it converted competing claims and coercive policies into a story of national fulfillment.

Opponents did not share one argument. Some Whigs condemned executive aggression and the costs of war. Antislavery critics feared a Slave Power conspiracy to acquire plantation territory. Abolitionists rejected expansion tied to slavery. Mexican writers defended sovereignty. Native nations defended their land and political independence. Some opponents still held racist or expansionist assumptions of their own, so opposition to one war did not necessarily mean support for equality.

Watch the topic in context

This Heimler's History lesson supplies a second explanation of the same period. Note where chronology, cause, and perspective connect.

Video: Manifest DESTINY [APUSH Review Unit 5 Topic 2] Period 5: 1844-1877, Heimler's History.

Check your understanding

  1. Manifest Destiny most clearly expressed the belief that
    1. western settlement should wait for unanimous tribal approval.
    2. U.S. commerce should concentrate on the Caribbean.
    3. continental expansion was providential and historically favored.
    4. Mexico and Britain welcomed U.S. settlement of disputed lands.
    5. territorial growth would reduce conflict over slavery.
  2. Why should a historian treat the word “inevitable” cautiously when describing expansion?
    1. It identifies the motives of every westward migrant.
    2. It establishes a nation’s legal title to disputed territory.
    3. It separates private migration from government policy.
    4. It measures the amount of public support for a war.
    5. It can obscure alternatives, policy choices, and responsibility.
  3. Select all sources of opposition to expansion in the 1840s:
    1. antiwar Whigs,
    2. antislavery activists,
    3. Mexican defenders of sovereignty,
    4. Native nations defending land,
    5. universal agreement among Democrats.
  4. Explain how an ideology can turn a contested political decision into a story of destiny.

    Write a brief response using a named fact from the lesson.

Open the answers and reasoning
15.6-1. C. C captures Manifest Destiny’s central claim that continental growth carried divine and historical sanction. A makes unanimous Native approval a condition that expansionists did not accept. B substitutes a Caribbean commercial program for continental growth. D assumes agreement from rival governments whose claims the United States contested. E contradicts the sectional conflict that new territory sharpened.
15.6-2. E. E explains the analytical problem. Calling expansion inevitable can hide the officials, voters, soldiers, migrants, and opponents whose choices shaped events. A attributes one motive to a varied migrant population. B mistakes a prediction about history for legal title. C draws a distinction the word itself cannot establish. D treats rhetoric as if it were a measure of public opinion.
15.6-3. A, B, C, D. A-D identify Whig, antislavery, Mexican, and Native opposition. E is excluded because Democratic and public opinion was not universally identical.
15.6-4. Minimum complete response. Identify an actor and alternative, then show how providential or inevitable language removes choice from the story and legitimizes conquest or dispossession. Chapter Practice

Independent preparation. CLEP is a registered trademark of the College Board, which does not endorse this lesson.

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