Final answer:
In a totalitarian government, there is usually only one political party that participates.
Step-by-step explanation:
In a totalitarian government, there is typically only one political party that participates. This party usually has complete control over the government and does not allow any opposition parties.
For example, in countries like North Korea and China, the ruling party is the only party allowed to exist. All other political parties are banned or heavily restricted.
Therefore, the correct answer is one.
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