Most Incas belonged to which social class?

The noble class

Explanation:

The noble class, or Inca class, was made up of the people directly descended from the people who first established the city of Cuzco. They were called the Inca. They lived lives of luxury and held the best positions in the Inca government.

It might be wrong tho

which statement explains one of the reasons world war 1 was so much more destructive than earlier conflicts

enhanced benefits or fringe benefits are supplementary additions employers offer to employees in addition to their wages. these benefits, both monetary and non-monetary are offered to boost employee morale. benefits