The best response that accurately compares the time frames in which the U.S. Constitution and the Nevada Constitution were framed is:
The Nevada Constitution was framed more quickly because the U.S. was in a rush to grant them statehood.
This response reflects the historical context that the Nevada Constitution was created relatively quickly during the Civil War era as part of the efforts to gain Nevada statehood, which was expedited due to its mineral wealth and the strategic need for more Union states.