Which of the following describes the primary functions of embassies?

The primary functions of embassies center on representing their home country, supporting citizens, and engaging in diplomacy, which is precisely what the correct answer highlights. Embassies act as official diplomatic missions in foreign countries, where they facilitate communication and negotiate relations between the host country and their home nation.

In addition to representation and diplomacy, embassies provide assistance to their citizens abroad, offering services such as passport renewals, legal aid, and emergency support during crises. This dual role of diplomatic representation and citizen support forms the core responsibilities of embassies in international relations.

Other options, while they touch on relevant activities, do not accurately encapsulate the primary functions of embassies. Engaging in military actions abroad is typically the domain of military units or defense ministries, not diplomatic missions. Serving as tourist information centers is not a key role of embassies; while they may provide some information, this is not their primary purpose. Conducting international trade operations is generally the function of trade missions or economic offices, rather than embassies themselves, which focus more on diplomatic relations. Therefore, the correct answer effectively summarizes the multifaceted role of embassies in international affairs.