“The proliferation of states in the 20th century” was not an exogenous event, but explicit decisions made by the victors of WWI and WWII, specifically to prevent violence, so they should get credit for them.
“The proliferation of states in the 20th century” was not an exogenous event, but explicit decisions made by the victors of WWI and WWII, specifically to prevent violence, so they should get credit for them.