Which answer best describes an important outcome of the gibbons v. ogden court case?
a) the case set definitions for navigation and placed state control over all coastal and river trade.
b) the case set definitions for navigation and placed federal control over all coastal and river trade.
c) the case set the precedent for congress to override a federal law when it conflicts with a state law.
d) the case set the precedent for congress to override a state law when it conflicts with a federal law.