1. <span>C. The population increased.
2. </span><span>D. They concentrated on other economic activity's
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Answer:
On March 3, 1871, President Ulysses S. Grant signed into law the first U.S. civil service reform legislation, which had been passed by Congress. The act created the United States Civil Service Commission, that was implemented by President Grant and funded for two years by Congress lasting until 1874.
Explanation:
The Marbury v<span>. </span>Madison<span> of 1803 was </span>important<span> because it was the first </span>Supreme Court case<span> to apply the principle of judicial review, the power of federal </span>courts<span> to void acts of Congress that were in conflict with the Constitution.</span>
The answer it’s number 4 “implied power”
