See also The Great Leveler by Scheidel: "Deep and long-lasting levelling of both the absolute and relative degree of income and wealth inequality has found its

See also The Great Leveler by Scheidel: "Deep and long-lasting levelling of both the absolute and relative degree of income and wealth inequality has found its place primarily in conjunction with the ‘Four Horsemen’ of levelling: namely, mass mobilisation warfare; transformative revolutions (such as communism); state collapse; and plague and pandemic episodes" https://blogs.lse.ac.uk/lsereviewofbooks/2018/02/23/book-review-the-great-leveler-violence-and-the-history-of-inequality-from-the-stone-age-to-the-twenty-first-century-by-walter-scheidel/ https://blogs.lse.ac.uk/lsereviewofbooks/2018/02/23/book-rev...