How prices serve as an incentive in a market economy is whenever there is a decline in the supply of a particular commodity, what the suppliers do is increase the prices, and in contrast, when there is enough supply, they decrease the prices as well. Hope this answers your question.
Republican party should be correct...
African Americans wound uP in dirTy, backbreaking, unskilled, and lowpaying occupations. These were the least desirable jobs in most industries, but the ones employers felt best suited their workers. More than eight of every ten African American men worked as unskilled laborers in foundries, in the building trades, in meat-packing companies, on the railroads, or as servants, <span>porters.</span>
The best answer is C. physician's pledge to care for patients.
Hippocrates was a Greek practitioner of medicine, known by many today as the "Father of Modern Medicine" and established the Hippocratic oath which is still used today and required doctors to uphold ethics when caring for their patients. His philosophy of medicine, which includes the idea of doing no harm to a patient is a foundation for western medicine today.
Clement's action divided the European catholic church, while Martel's victory unified it is correct.