There are multiple answers to that question... Since it seems they expect you to list common factors for the Eastern European dissatisfaction with their communist governments rather than choosing one from a multiple choice list, here are some possible answers:
- Most communist regimes were comprised (and dominated) by small groups of individuals who refused many communist beliefs.
- The economic situation of Eastern European communist countries was really deplorable, and their citizens realized this through the media (TV, newspapers, etc..)
- Certain ideological, religious groups (such as the Polish Catholic Church) provided some leadership to the opposition.
- These countries could not compete with capitalist Western countries in terms of economy and medicine.
- Americans made promises to the new countries after they got rid of communism; letting multi-nationalism take over.
Answer: Increases a governments borrowing.