1) International relations encompass the study of relationships between nations, including diplomacy, treaties, and foreign policy. It examines the interactions and dynamics among different countries in the global arena.

2) The concept of civil rights pertains to the rights and freedoms that individuals possess as members of a society, including equality before the law, freedom of expression, and protection against discrimination.

3) Many mountains have cultural and spiritual significance for local communities and are often considered sacred or revered in religious traditions.

4) The corpse flower, or titan arum, is known for its unpleasant smell, often compared to that of rotting flesh.