United States History Question of the Day

"Gift for the Grangers," 1873
(Source: Wikimedia
Commons--public domain)
Question 0936:
In which case did the U.S. Supreme Court
conclude that state governments could regulate railroad and grain
elevator companies?
(A) Baker
v. Carr
(B) Munn v. Illinois
(C) Commonwealth v. Hunt
(D) Plessy v. Ferguson
(E) Muller v. Oregon