Almost at the same time that the British entered India, they began to explore Persia. Until the end of 19 and the beginning of the 20th century, Britain's strategy towards Persia was to expand its colony and gain benefits by supporting the feudal dynasty, but there were two other forces competing with it. First, with the expansion of Central Asia and Siberia, the Russian forces, which have been entrenched in northern Iran for a long time, slowly extended their tentacles to the land of Persia; Another force is the Persians' own nationalism and reformism. Although the decadent feudal dynasty is only a tool to balance power in the eyes of the British and Russians, the strong national concept of the Persians makes both sides have no absolute control.

In fact, this history is rich in content, whether it is from the expansion of colonialism and imperialism, the modern history of West Asia or the bourgeois revolution, and it may not be very detailed in a few words. You can refer to related books, such as 450 Years of Iranian Diplomacy, Iranian History in the Twentieth Century, and General History of Middle Eastern Countries-Iran Volume, and even you can get a glimpse of some historical connotations in Persepolis:)