This is true. It was relatively small given the extent to which slavery had been debated for some time. It enacted the fugitive slave act and banned slavery in Washington D.C.
Rhode island was not present and there were 55 delegates
"c) rise in the demand for consumer goods" is the best option in terms of what affected the American economy immediately after world war 1, since this was a time of great prosperity.
Answer is D! hope this helps!