I believe it is A - an economic region.
People in the old world saw the new world (west) as a potential way to boost their economy in the new untouched land
The climate of a classroom would be determined by what the teacher thinks is the best environment for his/her students to learn in. This includes temperature, surroundings, the format of the portrayed information, and the interaction with the class. All of these factors can affect how well a student learns.
C: your expenditures should be less than the you put into your account
What are the answer choices?