Which characteristic ultimately led to general mcclellan's replacement as commander of the union army?
a. his organizational ability
b. his cautious nature on the battle field
c. his reckless nature on the battle field
d. his failure at the first battle of bull run

d is the answer. leo should include the source.

the federal constitution of the united mexican states of 1824 was enacted on october 4 of 1824, after the overthrow of the mexican empire of agustin de iturbide. in the new constitution, the republic took the name of of united mexican states. it was replaced by the federal constitution of the united mexican states in 1857.