Question

the difference between comparative politics and international relations can best be described as
the study of comparative politics involves comparing political parties between countries, whereas the study of international relations involves the examination of why wars occur.
the study of comparative politics refers only to domestic politics, whereas the study of international relations refers to globalization.
the study of comparative politics involves comparing domestic political institutions, processes, and politics in different countries; whereas the study of international relations involves examining the foreign policy of and interactions among different countries.
the study of comparative politics involves comparing nations, whereas the study of international relations involves examining international organizations, such as the united nations or the international monetary fund.

Explanation:

Comparative politics looks at domestic - level political elements across countries like institutions and processes. International relations focuses on how countries interact with each other through foreign policy. The first option is too narrow (just political parties), the second is inaccurate (comparative politics is not just domestic and international relations is not just about globalization), and the fourth is also too narrow (not just about international organizations).

Answer:

the study of comparative politics involves comparing domestic political institutions, processes, and politics in different countries; whereas the study of international relations involves examining the foreign policy of and interactions among different countries.