Answer:
it is A) a name mnemonic
Explanation:
I came here for the answer too but I just saw your question so I took the risk of guessing and this was the right answer.
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OPTION 3: In 1856, John C. Frémont won eleven northern states on an anti-slavery p.
The Republican party that had originated from a firm political stance against slavery in 1854, nominated John C. Frémont for the 1856 presidential elections.
Even though Frémont didn't gain the elections, he won votes of 11 of the 16 Northern states, unifying the electorate of the Northern and Western states against the Southern states (states in favor of slavery) for the first time in American history.
