The main reason why Earth is warmer at the equator than at the North and South Poles are thats where the sunlight shines at a lot of times. The sunlight never really shines directly at the North and South Poles like it does with the equator.
A. The formation of new democracies after the fall of the Soviet Union
People migrate to the new lands, populate, build cities, created businesses, trade, settle.
Answer:
<h3>The correct answer is A.</h3>
Explanation:
<h3>Becuase there was always a large labor force for the agricultural industry so this has not been a major development over the past 50 years.</h3>