Russia lost power in the early 1900s power due to

multiple factors, including political unrest, economic instability, and military defeats.

One of the main factors was the Russian Revolution of 1917, which led to the overthrow of the Russian Tsar Nicholas II and the establishment of a communist government under Vladimir Lenin. The revolution resulted in a power shift from the monarchy to the Bolsheviks, who advocated for the establishment of a socialist state.

During this period of political transition, Russia experienced internal turmoil and conflict between various factions, including the Bolsheviks, Mensheviks, and other political groups. This instability hindered the government's ability to maintain control and effectively govern the country.

In addition to political unrest, Russia faced severe economic challenges. The country was heavily dependent on agriculture, with a large peasant population, and suffered from widespread poverty and inequality. The Russian economy was also ill-prepared to handle the demands of modern industrialization and faced significant structural weaknesses.

Furthermore, Russia's military suffered significant defeats during World War I. The country faced major losses on the Eastern Front, including the Battle of Tannenberg and the Brusilov Offensive. These defeats undermined the morale and effectiveness of the Russian military.

Combined, these factors contributed to the loss of power in Russia in the early 1900s. The Russian Revolution, economic instability, and military defeats weakened the country and paved the way for the rise of the Soviet Union under Lenin and later Joseph Stalin.