Answer: A. Akbar
Explanation: Just did quiz.
St Petersburg was frozen and unusable for half the year
Also they didn't have fish to eat for half a year
So when that warm water port was acquired it was a game changer.
Agricultural development led early societies to settle. Settlements required growing food and a lasting source of water. That's why these early civilizations were born around rivers. The proximity of rivers facilitated access to fertile soil and, logically, to water.
Once a civilization has a stable source of food it can start growing surplus of it, which creates the possibility of trade. That is, stable food production is a base for the complexification of a society that can lead to the creation of other jobs, like the merchant.
It also enables a society to complexify its social structures, to build cities, to develop religion and culture which creates more jobs.
The Gentlemen's Agreement was a response to a growing hostility between the US and Japanese immigrants. In order to stabilize the relationship with Japan, President Roosevelt promised that the Japanese children and people would be subject to segregation and that the order made by the San Francisco school board to segregate the children would be withdrawn. Japan on the other hand promised to deny passports to workers who wanted to enter the United States and the US had to right not allow the Japanese workers who had passports for other countries.