I think the right answer is A
At first they didn't because they thought germany was tooo small and restricted with the treaties and regulations made from WWI (hitler built his mighty Waffen S.S. in secret after all) and when they did realize it was an issue they just hoped that they would allow germany to take a few countries such as poland and hitler would be satisfied (as hitler said he would) however he continued and with the power of the mighty german military and their tactics such as the BlitzKrieg it was too late for the league of nations to stop germany without major conflict.
In January 1964, the team announced the new species Homo habilis. The name was suggested by Raymond Dart, and means “handy man<span>,” in reference to this </span>hominids<span>supposed tool making prowess. Leakey believed that habilis was a direct human ancestor, with erectus out of the picture.</span>
It would be a conflict because they would have to decide whether that state would be a slave state or a free state. And both sides were not willing to compromise because the power balance in congress would be broken depending on that state.