I think the answer is pyramid... Let me know if that's it :3
Duma
The State Duma<span> was created in a wave of violent attacks against imperial officials and public upheaval, which culminated in a national strike in October 1905 known as Russian Revolution of 1905, paving the way for Russia's first parliament.</span>
Answer:
The main cause was that a few exports had increased European demand. After the war the economy slowed, causing increasing political unrest. Population growth, swelled by heavy immigration, contributed to urban concentration and increased social problems.
Explanation: