Choose a focused question
Ask how an event was described by two sources, or how a campaign presented its purpose. A small question is easier to investigate than a verdict on an entire movement.
Invite different readings
Let each reader identify a sentence that requires context. Discuss what information would help evaluate it. Keep the conversation about the document and its evidence rather than assuming what another reader believes.
End with a source list
Save the publications that informed the discussion and record unresolved questions. This creates a useful next step without turning a historical reading session into a current campaign or an instruction to support a political position.