It has been almost a hundred years since Lenin left this world. He created a new type of revolutionary party and established a new national system in the cracks of the capitalist world. Like Marx, he never generalized the Russian experience limited by time and space. Instead, he passed a social experiment of a new system and left a valuable political legacy for those who came after him:
The Communist Party of the Soviet Union, which disturbed the international order of the 20th century; the proletarian dictatorship accompanying the Soviet regime; dealing with the contradiction of "there are parties outside the party and factions within the party"; new economic policies that explore non-capitalist modernization roads; regarding farmers as long-term allies of the proletariat...
Of course, there were also unresolved issues in Lenin's era:
The inconsistent party-state system; the vacillating intellectual policies; the dilemma of revolutionary idealism to liberate all mankind...