Answer:
Depends on his further actions so far with what is going on with russia,no
Explanation:
It allowed Missouri and then Maine (which also applied for statehood) to become states. A lot of states were on the edge on wether to admit or not allow a state that allows slavery into the states. In the end - both were admitted and became states. However, Missouri was left as a slave state and Maine was set as a free state.
Longstreet was against the invasion of Pennslyvania. he thought the army should be trying to stop Grant from liberating the Mississpi area. Longstreet also knew that the Union positions were very strong and didn't think that the South would win very easily. He was strongly against unwanted bloodshed.