What the limitations of a demand curve?

Between 1518 and 1548, spanish conquistadores conquered most of the new world, motivated by the a) desire for scientific knowledge. b)  to urge to claim more territory for spain. c) belief that an all-water western route to the orient existed. d) desire to advance national glory, serve god, and seek personal wealth.

Who won the debate over ratifying the constitution

Imagine you are driving down the highway and reading a sign that states save the planet don't litter which technique of policy enactment is being used