A. 2000
B. 2001
C. 2004
D. 2006
🧠 Explanation:
The US entered Afghanistan in 2001, post-9/11. For history students, this highlights modern conflicts, making it a key topic for studying geopolitics, military history, and international relations. The invasion reshaped Afghanistan. Understanding this reveals conflict dynamics. It’s essential for analyzing history, political science, and international relations. Studying the 2001 invasion offers insights into how wars begin, crucial for history, political science, and global studies.