What was the most important benefit that barrio offered new immigrants

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One of the most important benefits that "barrio" offered new immigrants was the significant advantage they had on their health.

Explanation:

A great influx of Latin Americans happened when the "Immigration Act of 1984" was overturned by Lyndon Johnson. This allowed the new immigrants to settle mostly in Chicago's Little Village and Dalla's Oak Cliff. These areas were known as "urban barrios."

One major advantage of living in barrio was the fact that the diet of the Mexican Americans (particularly, the elderly) was preserved. This was a significant advantage that they had when compared to the Americans living in the country. So, they continued their same diet and only ate fast food moderately. They were also able to bring with them their distinct cultural traditions and beliefs.