Disambiguation evidence for Poor People’s Campaign via surface form

"Poor People's Campaign (planning phase)"

Triples (1)

Triples where some other subject referred to this entity as "Poor People's Campaign (planning phase)".

I've Been to the Mountaintop → partOf →
"Poor People's Campaign (planning phase)"
↳ resolves to Poor People’s Campaign
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linked to: Martin Luther King Jr.'s "I've Been to the Mountaintop" speech