Did Lincoln Free the Enslaved or Did they Free Themselves?

One of the observations by someone who was present for roosevelt's speech was, "its clarity, logic, and sincerity struck us." quote one example from the text that you would describe as clear, logical, or sincere. explain the language in your chosen quote correctly, and tell why it can be considered clear, logical, or sincere.

What was charles townshends development of a crop rotation system important to the industrial revelotion

Which quotation from the declare ration of independence shows the idea of the social contract