Use the following sections and sources from Alpha History (published and maintained by history teachers with input from historians).
Introduction to Russia
Reform and Reaction
Russian Society
Marxism
Russian Industrialization
Russo-Japanese War
Blood Sunday
Russian Revolution Documents (use Tsarism Under Strain and Bloody Sunday)
For History, we are concerned with making claims about the past - arguing a case - and this requires evidence/justification. Consider using the key concepts to guide your thinking, as well: Which of these underlying conditions was the most significant? What was the cause of the Revolution of 1905?