
1) Bolshevik battlers 2) Crimean War group 3) Outdoor sculpture in Russia 4) Riders from the steppes 5) Russian horsemen 6) Siberian mounties 7) Statue in Russia
Found on
https://www.crosswordclues.com/clue/cossacks

elite cavalry troops of the Russian army; often acted as special police; came from southern areas Don, Dneiper and Volga Rivers
Found on
http://www.uleth.ca/lib/digitized_collections/ourheritage/Great_Adventures/

Originally peasants, primarily Ukrainian and Russian, who fled from bondage to the lower Dnepr and Don river regions to settle in the frontier areas separating fifteenth-century Muscovy (q.v.), Poland, and the lands occupied by Tatars. The cossacks, engaged in hunting, fishing, and cattle raising, established permanent settlements and later organiz...
Found on
https://irp.fas.org/world/russia/su_glos.html

Originally an amalgamation of runaway peasants, fugitive slaves, escaped convicts, and derelict soldiers, primarily Ukrainian and Russian, settling frontier areas along the Don, Dnepr, and Volga rivers. They supported themselves by brigandry, hunting, fishing, and cattle raising. Later the Cossacks organized military formations for their own defens...
Found on
https://www.photius.com/countries/russia/glossary/index.html
No exact match found.