I would say technology? New medicines.
Russia was part of the Axis Powers until it was invaded by Germany.
Option: A
Explanation:
Russia was previously part of Axis power. The Axis power was signed by tri parties Germany, Italy and Japan. Later it was followed by Hungary, Bulgaria and Romania. Before signing Axis power Germany and Russia was friend countries.
Finland was not a part Axis power or allies party. Hitler suddenly attacked on Russia. From then Russia became the enemy country of Germany. In 1941 it was happened. At the start of World war II this strategic attack was done by Germany on Russia.
The events are in this order as occured in the world history;
1) Sepoy Rebellion (This is also known as Indian Mutiny, the Great Rebellion, the Revolt of 1857 etc. and was the first major uprising against East India Company and reportedly set path for the establishment of British Raj in India)
2) British Raj established. (1858)
3) World War 1 (1914)
4) Amritsar Massacre (1919) (This is also known in Indian History as The Jallianwala Bagh massacre)
