The correct answer is: B. regional cooperation.
The South Asian Association for Regional Cooperation (SAARC) is an intergovernmental organization of eight countries in South Asia: Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan, Sri Lanka, and Afghanistan. It was established on 8 December 1985 in Dhaka, Bangladesh. The goals of SAARC are to promote economic growth, social progress, cultural development, and technological cooperation among its member states.
The SAARC movement was launched in order to promote regional cooperation in South Asia. The member states of SAARC have agreed to cooperate in a number of areas, including trade, agriculture, tourism, and education. SAARC has also played a role in promoting peace and stability in South Asia.
Option A is incorrect because SAARC is not a political alliance. The member states of SAARC are not bound by any military or political agreements.
Option C is incorrect because SAARC is not primarily focused on cultural exchanges. While cultural exchanges do take place under the auspices of SAARC, they are not the primary focus of the organization.
Option D is incorrect because SAARC is not a military alliance. The member states of SAARC do not have any military agreements with each other.