What was the name of the committee in Congress that was created in 1938 to investigate allegations of
suspected communists?

Committee members branded witnesses as “red” if they refused to comply or hesitated in answering committee questions. 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:

Committee members branded witnesses as “red” if they refused to comply or hesitated in answering committee questions. 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:

a. the astrolabe could determine the correct latitudinal location of the ship