The correct answer is True.
<em>It is </em><u><em>true </em></u><em>that a production possibilities frontier represents the different choices or trade-offs a society faces.
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In an economy, a production possibilities frontier or PPF is a transformation curve where economist can identify the máximum number of possibilities of two goods when resources are fixed. This serves a Company that has limited resources to make a decision on two things. The graphic shows a curve; one good in the “x” axis and the other one is in the “y” axis.
Answer:
A: It is what our government is based upon.
Explanation:
Basically, we can eliminate B since the Constitution is just within the US. C doesn't make sense becuase the Constitution has been amended multiple times, and D does not work becuase the Constitution does not mention political parties.
The answer is A becuase the Constitution outlines the foundation and basis of America including core values & base-level ideologies/laws.
The main factor that led to the development of the four major river valley civilizations was its closeness to rivers, which was a food source, its flooding allowed for fertile soil, allowed easy transportation and cities near them were easier to defend.
The fact that fewer people had to dedicate to the production of food allowed some of them to develop other activities, such as the construction of building and cities, metal working, trade and social organization. This led to a social division, the ones that worked and the ones that ruled, creating intricate systems of governments and religions that ideologically sustained those in power.
