What is the most important reason for citing a source when quoting it directly?

Along narrative poem about the heroic figure is

How did the writing of the constitution demonstrate the political process? definition of political process by merriam webster: the process of the formulation and administration of public policy usually by interaction between social groups and political institutions or between political leadership and public opinion.

Read the excerpt from act 1 , scene i of romeo and juliet . based on this dialogue, which word best describes tybalt ?