Qoraal sii socoda faqradan - Doorashadii madaxtinimada ee 1912, Eugene V. Debs wuxuu helay 5.99% codadka dadweynaha (wadar ahaan 901,551 cod), halka wadarta codadka 913,693 ee ololihii 1920-kii, inkasta oo boqolkiiba boqolkiiba ay ka yar tahay, weli waa waqtigii ugu sarreeyay ee musharax Xisbiga Socialist ee Mareykanka. Dalka Mareykanka, Xisbiga Shuuciga ee Mareykanka waxaa la aasaasay 1919-kii oo ay ku biireen taageerayaal hore oo ka tirsan Xisbiga Socialist Party of America. Mid ka mid ah aasaasayaashii, James Cannon, ayaa markii danbe noqday hogaamiyaha ciidamada Trotsky ee ka baxsan Midowgii Soofiyeeti. Maalintii Labaad ee Madoow (Black Tuesday) ee 29-kii Oktoobar, 1929 kii ayay ka bilaabatay hoos u dhaca weyn ee dhaqaalaha ee maraykanka. Heerka shaqo la'aanta ayaa kor u dhaafay 25%, sicirka iyo dakhliga ayaa hoos u dhacay 20 illaa 50%, laakiin deynta ayaa ku hadhay isla lacagta doolarka. 9,000 oo bangicood ayaa la fashilmay 1930kii Sanadkii 1933, dadka wax dhiga waxay arkeen $140 billion oo lacagtooda ah oo la waayay sababtoo ah bangiga oo aan caymis laheyn. Sanadkii 1921 waxaa dhacay kacdoonkii ugu weynaa ee la soo abaabulay taariikhda shaqaalaha Maraykanka: dagaalkii Blair Mountain. Toban ilaa shan iyo toban kun oo macdan qodayaal ah ayaa ku kacday Galbeedka Virginia, iyagoo weeraray buuraha dushooda xerooyin ay sameeyeen shirkadaha dhuxusha iyo ciidamada maxaliga ah. Shaqaaluhu waxay u abaabulayeen xaaladooda sii xumaanaysa iyo shucuubta ayaa door muhiim ah ka ciyaaray. Sanadkii 1934-kii, Minneapolis Teamsters Strike oo ay hogaaminayeen ururka Trotskyist Communist League of America, shaqo joojintii xeebta galbeed
Shaqo joojinta Toledo Auto-Lite ee uu hogaaminayo Xisbiga Shaqaalaha Mareykanka, waxay door muhiim ah ka ciyaareen sameynta Congress of Industrial Organizations (CIO) ee Mareykanka.