Non-interventionism is the principle of refraining from interfering in the internal affairs of other countries, respecting their sovereignty and territorial integrity.

The primary responsibility of a government in conducting foreign policy is to protect and advance the interests of its own nation.

Consequentialism is the ethical principle that judges the morality of an action based on its consequences.

The principle of double effect states that the morality of an action depends on both the intention of the actor and the consequences of the action.

Universalism is the ethical principle that all human beings are entitled to the same basic rights and dignity, regardless of their nationality or political affiliation.

Just war theory is a set of ethical principles that attempt to justify the use of military force in certain circumstances, such as self-defense.

Liberal internationalism is the ethical principle that emphasizes the importance of promoting democracy, human rights, and free trade in foreign policy.

The principle of responsibility to protect (R2P) is the ethical principle that states have a responsibility to protect their own citizens from harm, and also to protect citizens of other states from harm if their own government is unable or unwilling to do so.

The principle of distinction in armed conflict ethics requires that parties to a conflict distinguish between combatants and non-combatants, and to avoid targeting non-combatants.

The principle of non-refoulement is the ethical principle that states should not return refugees to countries where they face persecution, torture, or other serious human rights violations.

Multilateralism is the ethical principle that emphasizes the importance of cooperation among nations to address global challenges and promote peace.

The principle of sovereignty as responsibility is the ethical principle that states have a responsibility to protect their own citizens from harm, and also to protect citizens of other states from harm if their own government is unable or unwilling to do so.

Sustainable development is the ethical principle that emphasizes the importance of promoting economic development in a way that does not harm the environment or future generations.

The principle of common but differentiated responsibilities is the ethical principle that developed countries have a greater responsibility to address global challenges than developing countries, due to their historical contributions to environmental degradation and their greater economic resources.

Multiculturalism is the ethical principle that emphasizes the importance of promoting cultural diversity and understanding among nations, and respecting the cultural identities of different groups.