Nazi Germany and as such Germany, ceased to exist on 8th May 1945.
And then the Soviet Union enslaved them, and eastern Europe, for the next 45 years.
And the Berlin wall was build/erected by the East-German government and not by Russia.
Did you cry yourself to sleep the night the Wall fell?
Go and read some history books and educate yourself - start of with Poland already becoming an independent nation in 1947.
Stalin and the following Soviet-leaders controlled or as you prefer "enslaved" Eastern Europe, just as much as the USA controlled "enslaved" e.g. Germany and Japan after WW2.
Hell - Germany even had to get
PERMISSION from the Allied victory powers to be allowed it's reunification with East-Germany. Whilst the Western Allies set all kinds of demands, especially the UK and the USA. Gorbachev aka the Soviet-Union did
NOT place any demands. !!!!
Upon NATO informing Gorbachev of wanting to station troops into former East-Germany - Gorbachev agreed under financial terms - for the German government to allocate around US$ 4 Billion to finance accommodations for Russian troops being withdrawn from
ALL the Eastern European countries. None of the other NATO members paid anything!!!.
Any damage caused by, US troops (military exercises - driving through crop fields, ripping up roads, running down peoples fences and Houses right down to maintaining costs of US military barracks and installations) etc. etc. had to be paid up for by the German government. Europa's largest military training area, Grafenwoehr - had never been returned by the USA since 1945 till today - plus several other military training grounds.
US soldiers committing a crime in Germany incl. murder - had to be handed over to US jurisdiction. - until today!!!
Germany via NATO (aka the USA) was "obliged" to contribute weapon systems to all these new Eastern NATO members and existing ones like Portugal, Greece and Turkey worth Billions and Billions of US$. Germany was "obliged" to pay the USA US$ 5 billion for liberating Kuwait.
And then a human scumbag like Trump shows up - telling and propagating that the USA is paying for e.g. Germany's defense and security. And you talk about Russia having enslaved Eastern Europe. - keep living in your Black&White fantasy world -