Why did latvia decide to reintroduce the 1922 constitution

They consolidated the system of government and adopted the Constitution in a freely elected Constitutional Assembly. The people of Latvia did not recognise the occupation regimes, resisted them and regained their freedom by restoring national independence on May 1990 like the 3rd maybe 4th, on the basis of continuity of the State.

the treaty of brest-litovsk was a peace treaty signed on 3 march 1918 between the new bolshevik government of russia and the central powers (german empire, austria-hungary, bulgaria, and the ottoman empire), that ended russia's participation in world war i.