What was the outcome of La Alianza Federal de Mercedes's seizure and occupation of the Echo Amphitheater?

The 1966 occupation of Echo Amphitheater drew public attention to La Alianza Federal de Mercedes’s argument that Mexican Americans had been deprived of land guaranteed under the Treaty of Guadalupe Hidalgo. The occupation did not return ancestral lands or overturn the treaty, but it helped bring those territorial claims to wider attention.

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