Because the U.S declared that the people of Kansas and Nebraska can vote on to be a slave or free state, in this case northerners rushed there to make it a free state, this whole thing also caused bleeding Kansas
Answer:
Secret police (or political police) are intelligence, security or police agencies that engage in ... We want no Gestapo or Secret Police. F.B.I. is tending in that direction. ... Two methods of doing so are: increasing fragmentation
Explanation:
The United States of America