Fewer civil rights, hope it helps
B
"The argument also assumes that social prejudice can also be overcome by legislation"
the laws assume that you are able to overcome social prejudice without the constitution determining it; you do it by legislation.
i hope this helped you a bit!
Answer:
Since the Louisiana Purchase directly violated Jefferson´s own political principles of the Democratic-Republicans for which took a strict view of the constiution, Jefferson had to retreat his own principles to make this point.