An investigation of the transition to democracy in Eastern Europe would help to prove true:
Religion could be practiced more freely in most Eastern European countries.
This statement reflects a significant change that occurred during the transition from authoritarian regimes to more democratic forms of government, as many countries in Eastern Europe began to loosen restrictions on religious practices and allow greater freedom of expression in this area.
The other statements either do not align with the historical realities observed during the transition or are overly simplistic.