What was the US policy of containment?

What does channing say that americans boast about

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

Who was the washington lawyer who watched the bombardment of fort mchenry from a british ship and wrote a poem about it? a. francis scott key b. benjamin banneker c. william clark d. zebulon pike