Because these men built some of the biggest industrial empires and pushed forward the industrialization of America.
Equal protection under the law.
AT the end of the Mexican American War, the United States promised the Hispanos and Califonios that they will enjoy full protection under the law. The war officially ended on February 2nd, 1848 with the signing of the Treaty of Guadalupe Hidalgo in Mexico City.
Sometime between 30 and 33 A.D
I believe it is D legal challenges through the court