Seems that you may need to provide your own information that you’ve gained! you haven’t included the crash course video. i would recommend watching the video over and picking out 3 things that you learned. i’ve seen crash course videos before (not the one above of course) and they’re very easy to understand and there’s TONS of info, it’s quite easy to pick out three things :)
C because it's a monarchy basically there's only one ruler
The correct answer is Bangladesh, formerly known as East Pakistan.
After the Partition of India, two countries were created: India and Pakistan. The later was composed of the areas with a Muslim majority, but geographically it had two parts, which lied far away from each other and had no land connection: West and East Pakistan. the Indo-Pakistan war concerned the split of the two parts into independent countries.