Muslims and Hindus .
Hindus and Muslims engaged in conflict as migrants moved between the two nations.
Muslims.
Because they had many conflicts in the past. The 1948 Indo-Pakistan War, 1965 Indo-Pakistan War,1971 Indo-Pakistan War and the 1999 Kargil War. Religion is another thing because during the partation of india heaps of muslims were killed in india by sikhs and hindus and in pakistan many hindus were also tortued and killed.
Pakistan
The Muslims wanted to get to Pakistan and the Hindus wanted to get to India.
Pakistan wanted independence because of religious reason. the two religious Hinduism and Islam couldn't live together. finally most Muslims went to Pakistan and made prace with Hindus and now Hindus have India. Muslims have Pakistan
The British decided to partition the Indian subcontinent because of the conflict that Hindus and Muslims had with each other.
On a personal level, there are many cases of Hindu and Muslim friendships, but as wider communities, there is no real peace between Muslims and Hindus as exemplified by the India-Pakistan conflict.
the secession of Pakistan from India, as well as a very destructive civil war.
The Muslim rules in India viewed themselves as foreign conquerors. They tried to maintain a strict separation between the Muslim ruling class and the mass of the Hindus population. Muslim rules in India were intolerant of other faiths. Conflict between Hindus and Muslims started in early 20th Century with Pan-Islamism. The British aided the divide by partitioning India and Pakistan. In 1971, Pakistan lost Bangladesh because of ethnic reasons in which India helped Bangladesh. To take revenge the Pakistani army and its intelligence wing, ISI, carries out terrorist acts in India and foments conflicts between Hindus and Muslims. Many a times, these conflicts are created by politicians to garner votes.
Pakistan got independence on the basis of Two Nation Theory according to which Muslims and Hindus were two separate nations and couldn't live together. I think there is no confusions in the minds of Pakistani Muslims.