In self-serving bias, individuals are more likely to attribute their successes to
a. environmental factors
b. contextual factors
c. personal characteristics
d. supportive individuals

In self-Serving bias, individuals are more likely to attribute their successes to : C. Personal characteristic

The downside is,  People who have a self serving bias only attribute the positive impacts to themselves. Meanwhile they will blame all the negative impacts that happen to them to the external factors

The answer to that would be prussia which would later be germany