The executive department that regulates airlines is the department of transportation. the department of homeland security. the department of the interior. the department of commerce.

The exeutive department that regulates airlines is A. The Department of Transportation.

This Department's responsability is the planification and coordination of federal transportation projects as well as the setting of safety regulations for all major modes of transportation.

In the case of airlines, the agency related to their regulation is the Federal Aviation Administration (FAA), which is under this Department's control and is responsible for the construction and operation of airports, management of air traffic, certification of personnel and aircraft, and the protection of United States' assets during the departure or return of commercial space vehicles.

The department of transportation

the fact that could also be added to column b is that during world war ii, specifically between the years 1941 and 1945, japan expanded its territory towards the indonesian territory in what was known later as part of the "pacific war". in that time, japan could conquer the philipines, singapore,   borneo, central java, malang, cebu, sumatra and various other islands of the area, therefore expanding its territory for a brief period of time.

the fundamental orders of connecticut it would be the letter b