Answer:
The way in which both of these organizations were similar was that they looked for loyalty. Now, the way in which they were different was that they aimed at different populations.
Step-by-step explanation:
First of all the loyalty review board aimed only government employees, while the HUAC targeted basically everyone. Therefore, this is how they were similar and different at the same time. The reason for the Loyalty review board was to provide feedback on the loyalty of former president Truman administration workers. On the other hand, the HUAC investigated everyone.