The most influential and powerful members of a political party are most likely to be found inside the national party level of the party and at its highest levels. If the President of the United States is from one particular party they are considered the head of the political party nationally making them the most powerful member of the party.
Cause-peole don't like whats going on
processes-rallys prortests etc.
conquences-soetimes it gets out of hand
They were all slave states that had remained in the Union and this is what Missouri, Kentucky, Maryland and Delaware had in common during the Civil war. The correct option among all the options that are given in the question is the second option. I hope that this is the answer you were looking for and it helped you.
Addressing problems that had led to the war
Coming up with ways to prevent future wars
Creating a League of Nations peace organization