Question: Due to the Spanish Argentines, the spanish settlement in Argentina during the late 19th and early 20th centuries, the Indigenous peoples in Argentina mixed with Spanish emigrants to make atleast what percent of Argentines today to have at least one indigenous ancestor?
Sentence (from "Spanish immigration to Brazil"): Spaniards also made up the third largest national group to immigrate to Brazil, after the Italians and Portuguese.
Relevant evidence: No