Is this true or false? it's right by the end of world war i.
the serbian government, at least some of which had hoped that the assassination of franz ferdinand might spark a conflict that would weaken austria-hungary, had succeeded in occupying large swaths of austro-hungarian territory by the end of 1915.

Rational ignorance suggests that a. voters are ignorant on issues that are not of special interest to them b. voters do not pursue information about issues before voting c. low voter turnout is due to a lack of understanding of the platforms of each political party d. voters are uninterested in the electoral process