Step 1: Understanding the question
The question requires identifying the year the All Assam Students' Union (AASU) initiated an anti-foreigner movement. This movement was a response to illegal immigration from Bangladesh into Assam, leading to widespread protests in the late 1970s.
Step 2: Analyzing the options
- 1. 1979 → This is the correct year. The AASU's anti-foreigners' movement in Assam commenced in 1979.
- 2. 1978 → Protests against illegal migration were increasing, but the organized movement officially began in 1979.
- 3. 1976 → This year predates the movement's commencement.
- 4. 1977 → This is not the year the movement officially launched.
Step 3: Conclusion
The All Assam Students' Union (AASU) launched the anti-foreigners' movement in 1979, a pivotal event that significantly influenced Assam's political trajectory. Therefore, 1979 is the correct answer, corresponding to option (A).