The Bengali Language Movement (also called the Language Movement) were protests by people living in Bangladesh, which was part of Pakistan during that time. ... At the height of the movement on 21 February 1952, police killed students that were protesting. The Shaheed Minar was a monument built to honor these students.
I don't see any options but I do have something that might help. Try looking up the definition and meaning of the religion of Islam. If you know what some of the words mean, that will single them out. Use process of elimination.
I’m not sure on politics, however that time period is when society developed the middle class and started to have “rules” of society, like you aren’t supposed to wear this and don’t act this way, etc.