 He organised a plan with other dissidents to negotiate a passage for them through Germany, with whom Russia was then at war.Recognising that these dissidents could cause problems for their Russian enemies, the German government agreed to permit 32 Russian citizens to travel in a "sealed" train carriage through their territory, among them Lenin and his wife.The group travelled by train from Zürich to Sassnitz, proceeding by ferry to Trelleborg, Sweden, and from there to the Haparanda–Tornio border crossing and then to Helsinki before taking the final train to Petrograd.