Pluto was originally classified as a planet, but new criteria for the definition of a planet were adopted, and pluto failed to meet one of them. which one

What is one reason why so many corporations prefer to incorporate in the state of delaware?

Why are the majority of the world's economies mixed? what may happen to the "pure" types of economies (traditional, socialist/command, market capitalist) when they incorporate elements from other economic models?

What conflict ended the false doctrine of "states rights"