Keep in mind Conservatives believe in traditional and strict government, and the literal interpretations of the constitution and declaration of independence. They are not progressive and open minded, by all means they are incredibly closed minded and resist change in government completely.
So the answer that makes the most sense would be (B)
<span>They banned the export of water which other countries could have used to generate steam for steam engines.</span>
<span>Plessy v. Ferguson.....</span>