The United States provided critical aid to Great Britain and the Soviet Union.
Answer: World War I Begins
On July 28, Austria-Hungary declared war on Serbia, and the tenuous peace between Europe's great powers quickly collapsed.
Explanation:
Steel was critical in efforts to imperialists because steel doesn’t rust which need a criticize
The Russian Revolution 1917 which is also known as the October Revolution change government of Russia as it allowed the Bolshevik socialists to acquire power and eventually established the Soviet Union (USSR). This revolution is considered as one of the most important events in world history. The revolution helped to end the autocratic rule of Tsar and after that the Russian Soviet Federative Socialist Republic established.
The revolution not only helped in ending to monocratic, zarchic rule, autocratic, but also ended the economic and social power of the big landlords, feudalists, capitalists etc. Due to the result of this revolution, the first power of workers and peasants in the world established.
