What is one reason we don't know what happened to these ancient Southwestern cultures? Choose the best answer.
They left no evidence behind.

Brainliestttme : ) -what reforms were made in communist china?

Who were the only people that were not allowed to be a citizen in the roman empire

1. discovered the new world balboa 2. explored the north american southwest hudson 3. his crew was the first to sail around the world vespucci 4. conquered the incas of peru cortes 5. discovered the pacific ocean columbus 6. conquered the aztecs of mexico cabot 7. discovered fishing grounds off newfoundland pizarro 8. looted spanish vessels for england drake 9. claimed the hudson river area for dutch coronado 10. priest who explored the mississippi marquette 11. man for whom the new world is named magellan