Step 1: Understanding the Question:
The question asks to identify the major issue(s) of conflict between India and Pakistan.
Step 2: Detailed Explanation:
The relationship between India and Pakistan since their independence has been plagued by several contentious issues. Let's analyze the given options:
- (A) Terrorism: Cross-border terrorism, sponsored and supported from Pakistan, has been a central issue and a major cause of conflict, leading to events like the 26/11 Mumbai attacks and the Pulwama attack.
- (B) Border dispute: The territorial dispute over Jammu and Kashmir is the oldest and most prominent issue. Other disputes include those over Siachen Glacier and Sir Creek.
- (C) Water dispute: The sharing of waters of the Indus river system, although governed by the Indus Waters Treaty of 1960, has been a recurring source of tension and disagreement.
Since all three are significant and long-standing issues, the most comprehensive answer is that all of them are major issues.
Step 3: Final Answer
Terrorism, border disputes, and water disputes are all major issues between India and Pakistan. Therefore, the correct answer is (D) All of these.