They were the primary supply line. Note that they were shut down at the time "for scheduled maintenance". Apparently, the Russians were pressuring the Germans for some major concessions before they would turn them back on.
How remarkable that somebody blew them up in four different places.
Sweden sent dive teams to all four sites, and their investigation concluded that they were all subjected to demolition charges. They even found dive gear discarded near one of the sites.
Their silence about who planted the charges speaks quite loudly.
Germany will not recover from this forced de-industrialization. Somebody wants things that way.
Why would Biden and the cabal do this to Germany?
What percentage of German gas was arriving from Russia in Nordstream when it was blown?
I'm pretty sure the decision to shut down all their nuclear power plants had something to do with it as well.