What made him a victorious against Mr. Lee is moving too slow or extremely careful in order for them to make use of their advantage against Lee when they were discovered by Lee, they have already spread over the place.
One of the mistakes is he was not able to know that there was a spy on their group.
Answer: the answer would be B
Explanation:
To increase the power of the southern states in congress.
It's either Prussia or Austria.
Hope this helps