What was one major contribution that the greeks made to modern society?

Explain how john f.kennedy organized the content of his speech.cite specific examples from his speech to support your answer

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

Which describes a significant different between the north and the south in the year leading up to the civil war