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 Argentines"): A substantial Spanish-descended Criollo population gradually built up in the new cities, while some mixed with the indigenous populations ("Mestizos"), with the Black slave population ("Mulattoes"), or with other European immigrants.
Relevant evidence: Yes