I think the answer is B) realism
In the 1850s they defended slavery in the United States, and promoted its expansion into the West against northern Free Soil opposition.
Among the immigrants, the largest occupation group are the Laborers. During the 1800's, a lot of factories and mines were in operation. Immigrants did not have the set of skills and knowledge to enter into certain jobs. Laborer jobs did not require much skill and knowledge and so it was easy for immigrants to get the job.
proportional representation is where the amount of reps is based on population and equal representation is when each state has the same amount of reps
The march primarily focused on gathering support from rural communities which had a high population of Mexican farmworkers. Not only would this march serve as a protest against Reagan and his discriminatory views against Chicanos, but also to garner support for La Raza Unida Party to be on the ballot.