Mukti Bahini, an armed force predominantly comprising of guerilla fighters, helped liberate which one of the present day countries given below?

Bangladesh

The correct answer is Option (1) → Bangladesh

Mukti Bahini was a Bengali guerrilla resistance movement that played a crucial role in the Bangladesh Liberation War of 1971. It fought against the Pakistan Army to help liberate East Pakistan, which later became the independent nation of Bangladesh. It was supported by the Indian Armed Forces, and their combined efforts led to the defeat of Pakistani forces in December 1971.