Culturally, the phoenicians are most important for being the first large-scale civilization to
a. trade with other societies.
b. use an alphabet extensively.
c. exist without class divisions. eliminate
d. develop the belief in one god.

The best and most correct answer among the choices provided by the question is the first choice or letter A. The Phoenicians are most important for being the first large-scale civilization because they trade with other societies. They made ships and sails to reach other regions where they can trade their products.