It's not really what they are doing, it is what they are going to do. When they grow up they will become our CEO's, teachers, scientists, doctors, even though most will just become our clerks.
C. They were able to influence others with ideas
Brief Definition:
A brief, short definition of Nationalism is A belief that your country is better than others.
Full Definition:
A full definition would be an idea and movement that promotes the interests of a particular nation, especially with the aim of gaining and maintaining the nation's sovereignty over its homeland.