The concessions made to the Soviet Union is the price that they paid for intervening in the Japanese War. Hope this helps :))
The purpose was to get the British to repeal those acts.
15th to the 17th centuries were the Age of Exploration
When a political party comes to power, its leaders tend to place many of their faithful followers into important public offices. The use of public offices as rewards for political party work is known as the "Spoils System." The system is popular in numerous nations.
Another name for enlightenment period is the age of reason