As a result of preferences given to skilled workers by many countries, source countries are most likely to

implement their own immigration quota system.
encounter shortages of talented professionals.
try to attract skilled professionals from other countries.
prohibit emigration and foreign travel among their citizens.
initiate worker training programs.

Ok , hopefully this app

The move over law is for safety of yourself and the officer and the ones pulled over, as a driver pulling over the officer control the situation with the pulled over person.

if it is an ambulance or fire truck with their sirens on it means they are having to get to an emergency so for the others safety for the emergency to save lives, pulling over lets them get through.

i hope this : )