An internal state of tension that pushes one to act is __________, while __________ is an external stimulus that pulls one to act.

A drive is an internal state of tension or need that motivates someone to act, such as hunger prompting a person to seek food. An incentive is an external stimulus that attracts or encourages action, such as the food itself. Therefore, “drive . . . incentive” is correct.

AI-written and checked against the verified answer.