What did the HUAC investigate in the 1950s?

HUAC was created in 1938 to investigate alleged disloyalty and rebel activities on the part of private citizens, public employees and organizations suspected of having Communist ties.

Explanation:

The House Un-American Activities Committee (HUAC) was created to investigate alleged disloyalty and subversive activities on the part of private citizens, public employees, and those organizations suspected of having Communist ties.

what are local authorities doing to fix the problem

explanation:

d. migration of french settlers into english colonies