Most executive departments, such as the Department of Defense, are headed by a . A. committee chair

B. judge

C. secretary

D. governor

1. committee char

Explanation:

a.committee chair√

b.judge

c.secretary

d.governer

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).

c or d both can be the answer