Eastern Europe wanted to be independent from the Soviet Union, but did not feel strong to oppose Soviet Union: only upon its collapse could they really become independent.
And Soviet Union did not support religion: so religious groups could function more in the open after the collapse of the Soviet Union.
The correct answer is co-workers.
This group represents an influence because on a daily basis we met each other in the office, work together, we share common goals and responsibilities, and the success of our jobs depends on the correct work of each of the members of the department.
A social group is the number of people that interact with each other and have commonalities, same interests and get together to accomplish something.