The correct answer is C. New research regarding the sequence of events that led Hari Singh Signing instrument of accession they raised doubts about the legitimacy for the Indians to claim the territory.
Kashmir conflicts was a conflict which was between the Pakistan and India. This occured when India was partitioned.
Some of wars which they fought were Kargil war and Pakistan war. They also had conflict over who will control the siachen Glacier.
The conflict brought in many deaths.