B) <span>let pollsters predict how people may vote in an upcoming election. C) </span><span>may result in people changing their minds about an issue. E) </span><span>indicate if people approve of their elected officials.
<u>Opinion polls serve to measure the evaluation of politicians who are holding their positions, but are also made in election time to measure the acceptability of each candidate by the public.
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In this context, polls serve as a signal of voters' possible vote and can make people change their decision, as information flows more clearly.
