Opposition to the construction of large dams is due to

Options

A. social reasons.
B. economic reasons.
C. environmental reasons.
D. all the above.

Explanation

**Step-by-Step Text Solution:**

1. **Understanding the Question**: The question asks why there is opposition to the construction of large dams. This implies that there are multiple factors that contribute to this opposition.

2. **Identifying the Factors**: The opposition can stem from various reasons, which can be categorized into three main areas:
- **Social Reasons**: The construction of large dams often leads to displacement of local communities, loss of livelihoods, and disruption of social structures.
- **Economic Reasons**: Large dams require significant investment and can lead to financial burdens on governments or local populations. Additionally, the benefits of such projects may not always reach the local communities.
- **Environmental Reasons**: Dams can have detrimental effects on local ecosystems, including loss of biodiversity, alteration of water flow, and destruction of habitats.

3. **Analyzing the Options**: The question provides four options:
- A. Social reason
- B. Economic reason
- C. Environmental reason
- D. All of the above

4. **Conclusion**: Since the opposition to large dam construction is influenced by social, economic, and environmental factors, the most comprehensive answer is option D: All of the above.

5. **Final Answer**: The opposition to the construction of large dams is due to social, economic, and environmental reasons, making the correct answer D: All of the above.

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