Answer:
Straight lines and closed
Explanation:
A polygon only has straight lines and there is no open space.
Hitler had Heinrich Himmler centralize the administration of the concentration camps and formalize them into a system.
Coney Island acted as a pioneer for amusement parks and other types of entertainment to help boost American culture. In the early twentieth century, amusement parks were built in places that had a growing urban population to help increase citizen’s leisure time.
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African Americans in the Civil War faced many problems. They were usually treated differently and had restricted roles. This doesn't mean that they didn't fight just as bravely as the other solders. Many of them died nobly for their cause.
The answer is B, by pressuring farmers to use dangerous pesticides to compete on a global scale.
