The main way in which <span>settlement of the west increase tension between the north and south was that each new state in the Union had to decide whether to be "slave" or "free"--leading to much more tension over the issue of slavery. This tension eventually led to the Civil War. </span>
Answer:
geocentric system
The Ptolemaic system also called the geocentric system or geocentric model, mathematical model of the universe formulated by the Alexandrian astronomer and mathematician Ptolemy about 150 CE and recorded by him in his Almagest and Planetary Hypotheses. Ptolemy made contributions to astronomy, mathematics, geography, musical theory, and optics. He compiled a star catalog and the earliest surviving table of a trigonometric function and established mathematically that an object and its mirror image must make equal angles to a mirror.
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Court cases cost too much time and money.
