The Radical Republicans supported ? A.
quickly restoring legitimate Southern state governments once 10% of the voters pledged loyalty to the Union

B.
enacting Black Codes and the election of former Southern leaders to Congress

C.
pardons to high-ranking Confederate military and political leaders

D.
guaranteeing voting and other civil rights to African Americans

every society, in order to meet the needs of it's people, has to answer three basic questions:

- what should we produce?

- how should we produce it?

- for whom should we produce it?

this questions must be answered in order to, option b, aid in production decisions.

every country can't produce everything, no matter how rich their land is. it may be a matter of technology, resources or geographical conditions. so, these three questions must be resolved in order to get the most of the production of each land.

hope this !