When I studied art history in school, a major theme was that most of the artists from long ago that we have heard of did some kind of work for whoever was in power, to make money, to create their masterpieces.
Let’s not pretend the CIA is particularly good at anything other than overthrowing Latin American democracies.
Wikipedia suggests Modern begins in the 1860s; the parent post is absolutely correct that it’s more the patronage rather than the artists or styles that drive classification in this case. Lots of things are disrupting the patronage of art around this time, especially photography, and changing markets for art result in very different kinds of art being produced.
I cannot comment as to whether the CIA is particularly good or bad at anything, but what I will say is that they are particularly effective at guiding domestic policy and operations.
Let’s not pretend the CIA is particularly good at anything other than overthrowing Latin American democracies.