Question

During the civil rights era, the chief of a local police department in Mississippi

Answer 1

Department of justice has only become recently involved in local affairs is a reasonable inference based on the given information.

Explanation:

Department of justice is the federal department and the state has requested for the army assistance for a planned march for civil rights is quite reasonable. State had requested the central department is the right move and the local police department in Mississippi wanted to ensure that the common men are safe and no violence must be involved during this public demonstration.  

State has been given with all rights to ask the central assistance at the time of such protests.