A supply function is a model that represents the behavior of the producers and/or sellers in a market. It represents how much of a good or service a producer/supplier will supply at a price of the product and other factors. Hope this answers the question.
The angle of sunlight is greater in the Southern Hemisphere during the winter. During the June solstice, the opposite is true. The Northern Hemisphere receives the maximum intensity of the sun's rays, while the angle of sunlight decreases in the Southern Hemisphere
Between the 1820s and 1850, as more white males won the right to vote and political parties became more organized, the character of American democracy changed. It became more partisan and more raucous, a turn that bred ambivalence and even discontent with politics and the dominant parties.