If you read the tail end of (presumably) point #4 in OP's image, you can tell the socioeconomic causes for the rise of fascism are discussed earlier. (We can't tell more without more context.)
Even in a Marxist history, if you're talking through the rise of Mussolini in detail you still have to mention - 'certain Italians were incensed by the very idea of social equality/redistribution preached by the left.'
If you read the tail end of (presumably) point #4 in OP's image, you can tell the socioeconomic causes for the rise of fascism are discussed earlier. (We can't tell more without more context.)
Even in a Marxist history, if you're talking through the rise of Mussolini in detail you still have to mention - 'certain Italians were incensed by the very idea of social equality/redistribution preached by the left.'