India and Pakistan Have Long Disputed Which Country Should Have

India and Pakistan have long disputed which country should have control over Kashmir because

A) the local ruler was Hindu, leading it to be made part of India, even though the population was mostly Muslim.
B) the local ruler was Muslim, leading it to be made part of Pakistan, even though the population was mostly Hindu.
C) the vote held to determine which country it would join was marred by election fraud.
D) it was never under the control of the Mughals, and has always been a fiercely independent region.
E) its population is mostly Sikh, rather than either Muslim or Hindu.