Which of the following was a reason for the spread of the
Islamic faith?
A. The religion had was trying to spread the
works of Jesus.
B. Islam was interested in the economic gains to
be made around trade routes and water.
C. The Torah said it was a prophecy that needed
to be fulfilled.
D. Most of the Middle East had not experienced
any religious beliefs yet.

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 !