Which type of sentence is this? an éclair—a long, thin, frosted pastry—is traditionally filled with vanilla cream, but its flavor can be enhanced with other fillings, such as chocolate, coffee, strawberry, or pistachio. simple compound complex compound-complex submit

The type of the given sentence is:

Compound

Explanation:

classical republicanism, also known as civic humanism, is a form of republicanism  developed in the renaissance inspired by the governmental forms and writings of  classical  antiquity, especially such  classical  writers as aristotle, polybius, and cicero.

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."