the one who successfully negotiated the final terms of the treaty was Nicolas Trist
The person who negotiated the final terms of the treaty of Guadalupe Hidalgo was Nicolas Trist.
Nicholas Trist successfully negotiated the final terms of the Treaty of Guadalupe Hidalgo after the Mexican-American War. Signed on February 2, 1848, the treaty led to significant territorial gains for the United States, including parts of modern-day California and New Mexico. The U.S. agreed to pay Mexico $15 million and assume claims against the Mexican government.
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