Post your thorough and complete answers to any two of the following questions.

1.3.1 - What federal agency or agencies is/are responsible for:

a. regulating civil aviation safety
b. investigating civil aircraft accidents
c. determining the probable cause of civil aircraft accidents
d. operating radio aids to navigation
e. negotiating international air service agreements
1.3.2 - What federal agency or agencies is/are responsible for:

a. pre-boarding screening of airline passengers
b. issuing permits for foreign air carriers to serve the U.S.
c. coordinating and integrating the resources of the federal government and other organizations to meet the needs of airline disaster victims and their families
d. administering the Aviation Safety Reporting Program
e. detecting and interdicting smugglers and others illegally crossing U.S. borders
1.3.3 - What federal agency or agencies is/are responsible for:

a. regulating labor-management relations in the airlines
b. regulating price-fixing and other anti-competitive practices in aviation and aerospace
c. operating the air traffic control system
d. regulating labor-management relations in the aerospace industry
e. research and development in aerodynamics and aviation technology
1.3.4 - What international agency or organization(s)

a. establishes international technical standards for aviation communications and radio aids to navigation
b. settles accounts among international airlines
c. publishes international Standards and Recommended Practices
d. provides training about airports internationally
e. is an organ of the United Nations