Theory posits that there are multiple independent paths to a delinquent career and that there are different types and classes of offenders.

The answer is trajectory theory.

Explanation:

Trajectory theory states that there are different trajectories, or paths, that lead to crime. This theory believes there are multiple factors that influence the decision to commit a crime, and some of them may influence a person in a higher or lower degree.

The factors may be psychological (mental disorders), sociological (poverty and unemployment), among others.

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."

answer; attention;