How did the crusades affect the government, economy, and culture of europe?

Why were inventors essential or necessary for an industrial revolution to happen in america

How has the caste system canged in indea and pacistane

France allied itself with america because a -the american rebels had modeled their movement after the french revolution b- france wanted to weaken britain c- france wanted to wanted to regain louisiana d- the french needed american support in their war with the native americans