Greece's many hills were important to the early greek city-states because

What is it called when countries build lots of weapons to store and them in case of a war?

Arecent poll of 500 residents in a large town found that only 36% were in favor of a proposed referendum to build a new high school. find the margin of error for this poll if we want 95% confidence in our estimate of the percentage of residents in favor of this proposed referendum.

What kind of geography deals with people and how they affect the world ?