The presidency of the United Nations Security Council is held by each of the members in turn with:

by

A. Population of the Member States
B. English alphabetical order of the Member States names 
C. Date of joining of the Member States
D. None of these

🧠 Explanation:

The UN Security Council presidency rotates in English alphabetical order of member states’ names. Knowing this helps students and global affairs enthusiasts understand UN operations. This system is key for studying politics or diplomacy in school. Learning this helps with projects or exploring global governance. It’s useful for political science, ensuring clarity in academic work or general knowledge about the UN.