Complex sentence: During World War II, seeing an opportunity to regain independence, the Kuki fought with the Imperial Japanese Army and the Indian National Army led by Subhas Chandra Bose but the success of the Allied forces over the Axis group dashed their hopes.
Split into simpler sentences: During World War 2, seeing an opportunity to regain independence, the Kuki fought with the Imperial Japanese Army and the Indian National Army led by Subhas Chandra Bose. The success of the Allied forces over the Axis group dashed their hopes.