Because the people of Kansas were allowed to vote whether the new state should be slave or free.This focused a lot of attention on Kansas, and terrorists from <span>both sides crossed into the state to interfere with the voting.</span>
I googled it and it said 50-100 billion
Answer:
I'd say that it was the assassination.
Step-by-step Explanation: I had a test similar to this, and it was the assassination.