Multiple factors were involved in the decision of exploration of Mars.
Mars is similar to Earth in size and it is the next planet. Moreover, evidence was present to suggest that liquid water existed, and may possibly still exist, on Mars. All of these factors led to the planet's exploration.
<span>laissez-faire capitalism</span>
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A massive explosion of unknown origin sank the battleship USS Maine (One of the first American battleships) in Cuba's Havana harbor on February 15, 1898, killing 260 of the fewer than 400 American crew members aboard.
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The system of checks and balances is an important part of the Constitution. With checks and balances, each of the three branches of government can limit the powers of the others. Without checks and balances one branch would be too overpowered.
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