Which of the following systems of government allows citizens to hold only one form of political opinion? A.
a parliamentary republic
B.
a single-party government
C.
a presidential republic
D.
a constitutional monarchy

B. single party government

Explanation:

A one-party system is a form of government where the country is ruled by a single political party, meaning only one political party exists and the forming of other political parties is forbidden. Other parties are allowed to exist only if they accept the leading role of the Communist Party .

B.    a single-party government

Explanation:

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fir trees are found in areas with cooler climates. fir trees have needles for leaves and remain green year-round.

answer; the federal reserve system;