Final answer:
1) Lucan A. Way uses the Eastern European revolutions of 1989 to highlight the importance of suppressing public opinion in preserving an authoritarian regime.
Step-by-step explanation:
The scholar who uses the Eastern European revolutions of 1989 to highlight the importance of the suppression of public opinion in the preservation of an authoritarian regime is 1) Lucan A. Way.
In his research, Way explores how autocratic regimes manipulate public opinion to maintain their power and control over the population.
He argues that the ability to stifle dissent and shape public perception is crucial for authoritarian regimes to stay in power.