Which of the following statements pertaining to trait theory is false?

All effective leaders possess a similar set of characteristics

Some traits people are born with and others are developed over time

There are generally eight traits that are associated with effective leadership, including intelligence, job$-$relevant knowledge, and the desire to lead

All of the traits identified for leadership effectiveness are equally important

Answer choices $C$ and $D$ are both false

Answer choices $B$ and $D$ are both false

Answer choices A$,$ B$,$ C$,$ and D are all true