What is the most common way that voters decide on who to vote for in a particular election?

Which of the following is NOT identified in the text as an important "external source of influence" on Congress?

A) political parties B) the president C) constituents D) interest groups E) the court system

Why might ethics, as it involves the use of force, be different in international versus domestic politics when it comes to judging the actions of national leaders?

a. because state leaders can generally ignore with impunity international treaties and understandings about the use of force, but cannot consistently ignore domestic law and expectations b. because the actions of state leaders may be seen in a different light from state to state, or culture to culture c. because protection of state interests is of central importance to state leaders who wish to stay in power, and order is often taken for granted domestically, leaving more room for discussion of justice d. because national leaders who try to do the ethically or morally right thing at the international level nearly always end up paying for it