Answer:
a) Identify factors that led to the Russian Revolution (1917).
1. The autocratic policies of the czars and their resistance to change
2. Lack of industrialization and economic growth
3. The Russo-Japanese War
4. Bloody Sunday
5. World War I
b) Identify factors that led to the Mexican Revolution (1910–17).
1. The dictatorship-like rule of Porfirio Diaz for over 30 years.
2. Exploitation and poor treatment of workers.
3. Great disparity between rich and poor.
c) Explain how land-based and maritime empires gave way to new states in the 20th century.
The land-based and maritime empires gave way to new states in the 20th century when the older, land-based empires such as the Ottoman empire, the Russian empire, and the Qing empire collapsed due to a combination of internal and external factors.
Hope that helps!