Within the American Government Today, Political Parties Exist as

Within the American government today, political parties exist as

A) instruments of cooperation bound together by discipline and strong leadership.
B) instruments of competition with the main goal of blocking legislative initiatives.
C) temporary coalitions of individuals who work together briefly on common goals.
D) permanent coalitions of individuals with shared interests who support one another.
E) teams that select the rules and leaders of legislators but do not organize coalitions on specific policy proposals.