Answer:
the second one "both were part of a larger effort..."
Communism influenced the 1917 Russian revolution
Mesopotamia was the location of an empire founded by Sargon.
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.
