Economic: Imperial governments, and/or private companies under those governments, sought ways to maximize profits, e.g Need for raw materials
It was the "Blood(y) Sunday" Russian Revolution that led to the creation of the duma, since the revolution eventually forced Tsar Nicholas II to make certain concessions, especially pertaining to the creation of the duma.
The answer should be A) Increased consumerism, and since more people wanted to buy so much stuff, it led to the economic boom.
Canals allow ships to access the ocean, and that means the world is accessable.