To keep the price of us automobiles competitive with others
As the result of Mexican American war, the treaty of Guadalupe Hidalgo, a peace treaty was signed on 2 February 1848 at Villa De Guadalupe Hidalgo. This treaty added 525,000 square miles to United States territory and establishes the Rio Grande river as the US-Mexican border. However, Guadalupe Hidalgo is the oldest treaty between an America and Mexico and which is still in force.
Unfortunately for the French though is recognized it Louis XVI was especially the nobles at the top who where useless and did not contribute to society of efficiency above all else and even criticized the kings palace at Versailles
a 1950 supreme court decision ruling that the "separate but equal " formula generally unacceptable for professional schools
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It upset the balance of free and slave states in the US.