They were glad for the additional settlements between themselves and Spanish Florida as some viewed as a potential threat.
Hope this helps :)
I think it would be right to peacefully assemble because we mostly know the first amendment is right to speech, religion, etc., but with the right to speech you could peacefully "speak" your opinion.
The person who was most closely associated with the abolitionist movement was: William Lloyd Garrison
William Lloyd Garrison, (born December 10, 1805, Newburyport, Massachusetts, U.S. and died May 24, 1879, New York, New York),was a prominent American abolitionist, journalist, suffragist, and social reformer. He is best known as the editor of the abolitionist newspaper The Liberator, which he founded with Isaac Knapp in (1831-65) and published in Massachusetts until slavery was abolished by Constitutional amendment after the American Civil War. He was one of the founders of the American Anti-Slavery Society, and promoted "immediate emancipation" of slaves in the United States.
The variety of information is for example:
archaeological find
primary sources, such as video recordings, sound recordings or testimonies of wittnesses
background and context information
linking dependencies and motivations (for example: what was the motivations for the crusades?)
they collect this information to provide a comprehensive account of the events, but they do take into account that any new information could change how we view something.