Answer: The tilt of the Earth's axis of rotation.
Explanation:
The seasons on the planet Earth are as a result of the tilt of the Earth's axis of rotation. When the Earth's tilt in axis causes the northern hemisphere to face the sun more directly those parts experience summer and when the Earth's axis tilt causes the Northern hemisphere not to face the Sun directly, those parts experience winter. Most parts of the United States are found in the Northern hemisphere.
The answer is: Market
In the market model, each indviduals have the chance to predict the type of product that the majority of people need / desire. (which they commonly called as 'market demand').
After knowing the market demand, individuals who want to obtain an economic profit need to develop the products in order to answer the market demand. (products that given to the consumers by the sellers is what usually called as market supply)
Sam Houston was removed from his position because he refused to swear loyalty to the confededracy
