The Missouri Compromise of 1820 let Missouri and this state enter the Union.
- Iowa
- Kansas
- Maine
- Texas
Maine. The compromise established the precedent of admitting states two at a time, one slave and one free, to the Union and also prohibited slavery above the southern border of Missouri.
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HistoryNet Staff (2/28/2026) Daily Quiz for February 23, 2019. HistoryNet Retrieved from https://historynet.com/quiz190223/.
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HistoryNet Staff - Daily Quiz for February 23, 2019. [Internet]. [Accessed 2/28/2026]. Available from: https://historynet.com/quiz190223/
HistoryNet Staff. "Daily Quiz for February 23, 2019." HistoryNet Staff - Accessed 2/28/2026. https://historynet.com/quiz190223/
"Daily Quiz for February 23, 2019." HistoryNet Staff [Online]. Available: https://historynet.com/quiz190223/. [Accessed: 2/28/2026]