The approach to trade in which countries try to run an export surplus to achieve a social or political objective is known as
a. mercantilism
b. laissez-faire
c. free trade
d. neomercantilism
e. absolute advan

A76-year old female with degenerative joint disease made an appointment with an orthopedic surgeon. the patient stated she has had severe pain in her right knee for six months. she has tried physical therapy and steroid injections but has not had any relief. the surgeon has agreed to schedule a right total knee arthroplasty (knee replacement).