Surely, it must have seemed so to the Soviets. Allied forces landed in many locations and the Czechs occupied a long strip through the middle. Wiki gives thes

Surely, it must have seemed so to the Soviets. Allied forces landed in many locations and the Czechs occupied a long strip through the middle. Wiki gives these numbers: 1,500 French and British troops originally landed in Arkhangelsk 14,378 British troops in North Russia 1,800 British troops in Siberia 50,000 Romanian troops belonging to the 6th Romanian Corps under General Ioan Istrate, in Bessarabia. 23,351 Greeks, who withdrew after three months (part of I Army Corps under Maj. Gen. Konstantinos Nider, comprising 2nd and 13th Infantry Divisions, in the Crimea, and around Odessa and Kherson) 15,000 French also in the Southern Russia Intervention 40,000 British troops in the Caucasus region by January 1919 13,000 Americans (in the Arkhangelsk and Vladivostok regions) 11,500 Estonians in northwestern Russia 2,500 Italians in the Arkhangelsk region and Siberia 1,300 Italians in the Murmansk region. 150 Australians (mostly in the Arkhangelsk regions) 950 British troops in Trans-Caspia 70,000+ Japanese soldiers in the Eastern region 4,192 Canadians in Siberia, 600 Canadians in Arkhangelsk https://en.wikipedia.org/wiki/Allied_intervention_in_the_Russian_Civil_War https://en.wikipedia.org/wiki/Allied_intervention_in_the_Rus...