The reorganization act of 1947

how did the reorganization act of 1947 change the us military? check all that apply.

it created the position of secretary of defense to oversee military services.
it abolished the departments of the army and navy and created the war department.
it removed all of the cabinet seats formerly held by military branches.
it created the department of the air force to defend the nation’s skies.
it called for the creation of a cabinet department in charge of homeland security.