Germany sent him there in the hope of destabilizing the country.
Lenin was never exiled from Germany. He had been living in exile in Switzerland but it was from Russia not Germany. After the February Russian Revolution, Germany helped Lenin return to Russia from Switzerland through Germany and Finland. Lenin wasn't being exiled from Switzerland or Germany. He was being returned to Russia to foment revolution so as to get Russia out of World War 1.
If you mean during WW1, while the Provisional Government was in control of Russia, Lenin returned to Petrograd on the 16th April with the help of theGerman government (because the Germans figured that if the Bolsheviks were in power of Russia, they'd withdraw from the war and even if they failed to seize power, the turmoil in Russia could only help Germany's war aims).
Russia
Russia
Lenin was provided passage to return to Russia in 1917 by the German government, who saw him as a disruptive force that could weaken Russia's war effort during World War I.
Lenin and the Bolsheviks overthrew the government of Russia.
It was Russia
Lenin wanted to strengthen Russia by technologically advancing the country. He also wanted to strengthen Russia by removing it from World War 2 and further uniting the country.
They are both in Moscow in Russia.
Germany saw a chance to weaken their enemy.
He set out from Switzerland.