USCIS marks this question with an asterisk: applicants who are 65 or older and have been permanent residents for 20 or more years may study just the marked questions.
What was one important thing that Abraham Lincoln did?
Accepted answers
Accepted answers
- freed the slaves (Emancipation Proclamation)
- saved (or preserved) the Union
- led the United States during the Civil War
Explanation
Lincoln freed the slaves, preserved the Union, and led the country during the Civil War.
The explanation is our own study note, not official wording.
Source: USCIS, 2008 version (USCIS Office of Citizenship, rev. 08/21)Verified Sep 14, 2026Official PDF
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