Why was the louisianna purchase important to jefferson

Why might it be important to know a currency’s exchange rate

During the era of european expansion, what was the biggest reason for spain’s push for exploration?

How did inca develop their road system? a) they used mortar to hold the stones together.b) they built suspension bridges over rivers. c) they mixed copper and stone together to make the blocks.d) they laid roads in the cities, not in the less densely populated deserts.