Please helpp thank u so much! Will mark brainless and give 5 stars!

Which best describes why it is necessary to evaluate a solution?

Of the following choices, which ones are characteristics of west african society? select all that apply. a. arabic was the main language used when trading with other societies. b. christianity was the only religion practiced in villages. c. slaves had no rights and were only given specific farming tasks. d. skilled workers were a higher level in the caste system than traders. e. religious rituals encouraged the honoring of ancestors.

Why do all market economies have taxes to support armed forces police forces public schools and at least some form of public transportation?