Step 1: Understanding Article II’s definition of genocide.
Article II lists specific prohibited acts such as killing members of the group, causing serious bodily or mental harm, imposing measures to prevent births, and forcibly transferring children.
Step 2: Identify the outlier.
Promoting cultural activities is not an act aimed at destroying a group; in fact, it is the opposite.
Step 3: Elimination.
(A), (C), and (D) — All listed in Article II.
(B) — Not listed and contrary to the destructive purpose of genocide.
\[ \boxed{\text{B}} \]
Step 1: Passage reference.
The procedural history of the case shows Russia declined to appear in person at the hearings but sent written communications challenging ICJ jurisdiction.
Step 2: Elimination.
(A) and (D) — Incorrect because Russia did not attend in person.
(B) — Incorrect because Russia did submit written pleadings.
\[ \boxed{\text{C}} \]
Step 1: Definition.
Jus ad bellum refers to the body of law governing the right to engage in war — the “right to war”.
Step 2: Differentiating terms.
Jus in bello — Laws applicable during conflict.
Jus gentium — Law of nations.
Jus cogens — Peremptory norms.
\[ \boxed{\text{B}} \]
Step 1: Historical background.
Mare Liberium (“The Free Sea”) was published in 1609 by Hugo Grotius, advocating free navigation and trade across seas.
Step 2: Recognition.
Grotius’s works laid the foundation for the modern system of international law, earning him the title “Father of International Law”.
Step 3: Elimination.
(A) Jeremy Bentham — Coined the term “international law” but did not write Mare Liberium.
(B) Baruch Spinoza — Philosopher, not primary figure in maritime law.
(D) Mohamed ElBaradei — Modern diplomat, unrelated to this historical work.
\[ \boxed{\text{C}} \]