---
title: "SSUSH12: Westward Expansion and Manifest Destiny (Georgia Social Studies standard)"
code: SSUSH12
cite_as: Georgia Standards of Excellence, Social Studies, SSUSH12
subject: social_studies
grades:
  - high-school
language: en
canonical_url: https://georgiahomeroom.org/standards/code/SSUSH12
md_url: https://georgiahomeroom.org/standards/code/SSUSH12.md
alternate_language_url: https://georgiahomeroom.org/es/standards/code/SSUSH12.md
source_url: https://case.georgiastandards.org/ims/case/v1p1/CFDocuments/a446e74c-463e-11e7-94f5-b49cee8b2d8c
source_last_changed: 2025-02-04
data_built: 2026-09-18
publisher: Georgia Homeroom, a free public-interest project of Georgia Civic Data. Not affiliated with or endorsed by the Georgia Department of Education or any school district.
up: https://georgiahomeroom.org/standards/social_studies/high-school.md
index: https://georgiahomeroom.org/standards/index.md
---

# SSUSH12: Westward Expansion and Manifest Destiny

Evaluate how westward expansion impacted the Plains Indians and fulfilled Manifest Destiny.

- Subject: Social Studies
- Appears in: High School, https://georgiahomeroom.org/standards/social_studies/high-school.md

## Expectations

- **SSUSH12.a**: Examine the construction of the transcontinental railroad including the use of immigrant labor.
- **SSUSH12.b**: Evaluate how the growth of the western population and innovations in farming and ranching impacted Plains Indians.
- **SSUSH12.c**: Explain the Plains Indians' resistance to western expansion of the United States and the consequences of their resistance.

## Georgia Milestones coverage

- US History (EOC). Industrialization, Reform, & Imperialism. Industrialization, Reform, & Imperialism (about 16% of the test; 7–8 points; shared with other standards, so count these points once and never add them up per standard)

Source: Georgia Standards of Excellence, published by the Georgia Department of Education at case.georgiastandards.org.