I think the answer is one but I am not sure

#1
The blacks of South Africa have been called "outlaws".
#2
non-white citizens
#3
The notion of democracy has evolved over time considerably. The original form of democracy was a <u>direct democracy.</u>
#4
Dignity
There are eight planets in our solar system
Sorry for such late an answer, but I believe its A) Predicate Nominative.