Why did the louisiana purchase need explorers?

Enter the word you receive when you completed the river valley civilizations activity

Over the years, the colony of jamestown failed to establish peace with powhatan american indians. make itself a permanent colony. grow enough tobacco for export to europe. establish a representative government.

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