The speaker is the entity that has power to lead the majority party caucus and control the agenda in the House.
Who is a Speaker in Legislation branch?
Basically, in a legislation house, the speaker is the entity responsible for presiding over assembly debates and maintaining of order during legislative session
The speaker exists at both the Upper house (senate) & Lower house (house of representatives).
Hence, the speaker is the entity that has power to lead the majority party caucus and control the agenda in the House.
Therefore, the Option B is correct.
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