Answer:After the stock market crash, President Hoover sought to prevent panic from spreading throughout the economy. In November, he summoned business leaders to the White House and secured promises from them to maintain wages.
Explanation: i luv u
JK
<span>Two major themes of this speech were the idea that isolationism was impossible and the idea that all Americans were pulling together (and needed to continue to do so) to face a moment of crisis.
You can decide which one you like. :)
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Option B
random sample type of sample would be representative of a whole group
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Explanation:</u></h3>
A simple random sample is a subset of a demographic population in which every part of the subset has a uniform likelihood of being preferred. A simple random sample is intended to be an impartial portrayal of a collection.
Each member of the population being considered should possess an equivalent probability of being chosen. A sampling error can transpire with a simple random sample if the specimen does not end up exactly matching the population it is assumed to reproduce.
The answer should be:
Animal & human power were generally replaced with steam power.