Answer:
The U.S. economic system of free enterprise has five main principles: the freedom for individuals to choose businesses, the right to private property, profits as an incentive, competition, and consumer sovereignty
The most important producer in both freshwater and marine ecosystems<span> is phytoplankton.</span>
<span>The closest to perfection would be an interdependent Confederation of societies, each containing between one and two hundred citizens, depending upon factors such as location and climate. These villages would be more or less evenly distributed across the globe, having access to roughly equivalent amounts of arable land. Thirty per cent of all land would be designated wilderness, and no societies would be allowed to colonise these areas, but antisocial individuals would be free to inhabit the wilderness following a life-style of total lonesomeness.</span>
