There are many ways in which repressive regimes interact with civil society, although one of the major ones is that they suppress people's opinions and voices.
I believe the correct answer from the choices listed above is option C. An important factor in the development of the British Empire in the 19th century was its naval supremacy. At this time, it emerged as the principal naval and imperial power (with London the largest city in the world from about 1830). Hope this answers the question.
The Taj Mahal was built with influences from Mughal and Turkish architectural styles.