It was Barack Obama. hope it helps
Answer:
The Bessemer Process was an extremely important invention because it helped made stronger rails for constructing the railroads.
Explanation:
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The Gadsden Purchase was a treaty signed by James Gadsden, the U.S. Minister to Mexico, and General Antonio de Santa Anna, the president of Mexico on December 30, 1853 in Mexico City. It was an Agreement between the United States and Mexico to give a 29,670 square mile portion of Mexico in exchange for $10 million.
