D, some states now allowed slavery and some didn't
Hernan Cortes aided the Aztec
Answer:
theodor roosevelt because he was the one president who ended slavery and banished it from the united states
Explanation:
The first one is a problem because if they have no power to tax then people can do whatever they want and that will cause chaos it will also leave the government bankrupt. The second is a problem because if there is no law enforcement then crime rates will rise. The third one is a problem because bad leadership could end up making the confederate loose the war against the union and cause the confederacy to crumble.