c. free speech
John Dickinson authored Letters from a Farmer in Pennsylvania. He created a draft of fifteen proposals, criticizing the Stamp Act as unconstitutional. Because of his letters, the Stamp Act was revoked after only four months of the unproductive process.
Scientific racism<span> (sometimes </span>race biology<span> or </span>racial biology<span> or </span>pseudoscientific racism<span>) is the </span>pseudoscientific<span> study of techniques and hypotheses attempts to reveal the biological differences between races which can be used to support or justify belief in </span>racism<span>, racial inferiority, or </span>racial superiority;<span> alternatively, it is the practice of classifying</span><span> individuals of different </span>phenotypes<span> or </span>genotype<span> into discrete </span>races. Historically it received credence in the scientific community, but is no longer considered scientific.
Answer: Private bill
Explanation: Private Bill. a bill dealing with individual people or places.
d. It informed the public about the need for American Indians' civil rights
Actually, what I know of it, is that he explored the regions of Great Lakes and the Mississippi River, and that he claimed the region around Mississippi for France - I think that the best answer is C.