That means “blockade politics” or conducting a policy of obstruction.

Geez. The EU is getting really frustrated with Germany these days because it still acts as if it were a sovereign country from time to time.
Germany Is Becoming a Roadblock for More and More EU Business – Row over combustion-engine ban symptomatic of wider problem, Conduct seen as especially unhelpful during period of upheaval.
The unpredictable behavior of Germany’s ruling coalition is becoming a disruptive influence in Europe and raising hackles across the continent.
A last-ditch move this month to block a European Union push to phase out combustion-engine vehicles was only the latest example. On issues ranging from financial aid for Ukraine to reform of state-aid and budget rules, Germany’s EU partners and officials in Brussels have become increasingly frustrated with Chancellor Olaf Scholz’s center—left alliance of his Social Democrats, the Greens and the business-friendly Free Democrats.