Economic and social changes thumb|Provisional Government's volunteer soldiers secure Petrograd's Palace Square with the Austin Armoured Car, summer 1917.
ecoNOmIC aNd sociAL cHanges thUMb|provIsionaL gOvernment'S vOlunteER soldiers sEcUre PETRoGrad's PAlace sQuarE wIth ThE auStiN aRmouREd car, suMmeR 1917.