" The "Polar Bear Legion" was an American group providing assistance to this group.
This group mistakenly entrusted a trainload of gold to its Czech allies, who promptly used it to barter for safe passage back to Czechoslovakia and betrayed the location of one of this group's leaders. Another leader of this group, VO Kappel, died during the so-called "Icy March." The "Polar Bear Legion" was an American group providing assistance to this group. Peter Wrangel commanded one remnant of this group during an evacuation from the Crimea, though Japanese assistance allowed another remnant to briefly hold out in Mongolia and Siberia. This group's advance on Yekaterinburg prompted the execution of the (*) Romanovs. For 10 points, name this group of loosely allied fighters that battled the Bolsheviks during the Russian Civil War.
This group mistakenly entrusted a trainload of gold to its Czech allies, who promptly used it to barter for safe passage back to Czechoslovakia and betrayed the location of one of this group's leaders.
{White Army}