According to anthony downs model, a rational party will adopt the policy position that is

Closest to the view of the majority of voters.

The Anthony Downs model attempts to apply economic theories to political decision making.

someone i feel is a leader in my life id have to say would be my mother because she has give me great advice in life and got me out of tough situations. some characteristics she has are creativity, honesty, commitment, respect for others, and communication. one example of a situation when she demonstrated leadership was when i was working late on homework and i started to get stressed and got upset, she asked me if i needed some , and she me with my work. she demonstrated communication and commitment.

i don't know if this is exactly what your looking for but i hope this !

answer(d) encourage cooperation by improving the chances of mutually agreeable transactions;