If Congress Imposes a Regulation on an Industry That Has

If Congress imposes a regulation on an industry that has a limiting effect, the Supreme Court has held that, in general:

A) Congress may not impose regulations that burden foreign firms doing business in the U.S.
B) Congress may regulate commerce only with approval of the affected states
C) Congress may not regulate intrastate commerce, if the effect is "inherently uncompetitive"
D) States may then imitate the regulation at the state level
E) none of the other choices