For 15 points can someone tell me what this is and what it was used for? (picture)

Which is the correct order for events that eventually led to the collapse of the chinese imperial government

Plz the 10 places that charles darwin stopped at to report his findings, and include dates?

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