Answer :

It was the Mexican American War that propelled General Zachary Taylor into the national spotlight and helped him win the Presidential election in 1848, although he was an ineffectual president.
The correct answer is the Mexican-American war

He became a national hero after the Mexican-American war where he fought and won many battles as a war general. This is why people chose him even though he wasn't a political figure and never really expressed support for either party's goals and was rather vague on the whole thing. His presidency was brief since he died only 16 months in.

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