In 1970, many east pakistanis felt that west pakistan

needed to assert more control over east pakistan

was preparing to attack india

was forming secret alliances with india

treated east pakistan like a colony

Explanation:

By 1970, East Pakistan paid more taxes than West Pakistan since the government was dominated primarily by West Pakistanis.  

The government was accused by East Pakistan for delaying shipments of food and relief supplies to victims of a flood in 1970.

In 1971, East Pakistan became a newly independent nation - Bangladesh