The process which consists of a logical chain of steps that shows that a statement must be true is called direct proof. The answer to your question is A. I hope that this is the answer that you were looking for and it has helped you.
The years 1865-1877 was the so-called Reconstruction Era. The Reason for this reconstruction was the devastation of the country during the Civil War.
Additionally, the South had to be transformed from the point of view of the North: with slavery abolished, many social changes had to be introduced - this was the other reason for Reconstruction.
The best answer is
<span>A point on the PPC indicates maximum utilization of available resources.
The PPC is a representation of the maximum outputs, usually as a tradeoff between two goods, given maximum utilization of available resources. Naturally, producing one good leaves less resources and other inputs available for another good. </span>
Nonmetal
Nonmetal (brittle, doesn't react with acid, and doesn't conduct electricity are factors of a nonmetal).
