Question

traditional african music has been influential on modern forms of music, affecting the sound and style of rap, bomba, and rock. the act of drumming having to do with the present having an effect to make a new style

Explanation:

The word "influential" in the sentence means having the power to influence or have an effect on something. Among the options, "having an effect" matches the meaning of how traditional African music impacted modern music forms. The other options: "the act of drumming" is about a specific action, "having to do with the present" is about time, and "to make a new style" is about creation, none of which fit the meaning of "influential" here.

Answer:

having an effect