"Post\u2013World War I recession" . "post-WWI economic slump" . "post\u2013World War I recession" . "post-World War I recession" . . . "mass-unemployment" . . "subsequent recession" . . . "post-war depression" . "severe economic recession" . "lengthy recession" . . "postwar recession" . "post-war economic slump" . "1918 saw a short recession" . "Post-World War I recession" . "1919\u201321 as a severe depression" . "Post\u2013World War I recession" . "post-war recession" . "Post\u2013First World War recession" . "1919\u20131926 depression" . "market contractions" . "economic uncertainty" . "post\u2013World War I economic effects" . . "recession" .