Answer:
D
Explanation:
Gangs were assaulting the community in a short period of time.
A subject participates in a drug study because treatment is available at no or reduced cost, and he could not otherwise afford it. This is an example of economic vulnerability. It <span> is defined as the exposure of an </span>economy<span> to exogenous shocks, arising out of </span>economic<span> openness.</span>
