Politics effect everbody even a church. Even though it might not directly impact them politics can still force them out of buisness.
Here is an example, So say you own a local church and the preast falls off the stage and throws the bible cursing and it is being recorded, the n that recording gets on the news an the church gts humileated, and no one wants to go there anymore, so they no longer get money so there buisness fails, and the church shuts down.
we have pictures for proff
they also have books
the answer should be a. the sui empire, the tang empire extended from korea in the west to manchuria in the east.