I believe the answer is: physiological need
physiological need refers to the requirements that humans need to ensure their survival in this world. Compared to other levels in the hierarchy, physiological need is the one that is the easiest to obtain, but it must be constantly be fulfilled within continously small time frame.
The U.S has the highest pregnancy rates because of <span>of underlying social and economic problems.</span>
C) Portugal
Hope this helps and please make mine the Brainliest answer!
