Look at Art. III compared to I and II. Art. III is significantly shorter; it says much less about the Judicial Branch than I and II say about the Legislative and Executive. What are the implications of this? Based on what we know about the three branches and about Checks and Balances, how does the Judicial Branch stand up in the balance of power between the branches?

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; /// decreasing responsiveness to a stimulus to which one is repeatedly exposed;

answer; case studies;