Oftentimes it is "removing barriers to trade" that motivates countries to join regional trade blocs, since members of such "blocks" have completely free trade with one another.
Social epidemiology is a branch of epidemiology that focuses particularly on the effects of social-structural factors on states of health. Social epidemiology assumes that the distribution of advantages and disadvantages in a society reflects the distribution of health and disease.
Hope this helps!
Answer:
supply
Explanation:
if a person has a product and he/she is running out he/she will raise the price since more people want more,bt he/she is running out
PRICE AND DEMAND!!