What is jkf’s claim in paragraph #3 ? ?

Martin Luther King's claim was that people in the US should be recognized as equal before the law regardless of the color of their skin, their religion, their gender and age; he fought specially for the civil rights of the african american community. That we should all treat each other as siblings, instead of turning to violence -such in the case of his own assassination. His thoughts become clear in his famous speech "I have a dream".

it is an infinitive phrase with a subject.

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