Which statement identifies the central idea in the text

Ethnicity is used to distinguish between groups based on cultural elements, but according to the information presented in the lecture (blank) would encompass the details about a person like the shape of his or her features.

How did world war i contribute to the events leading up to world war ii? (a)germans wanted to expand their nation to regain territory in the soviet union. (b)britain and france wanted to force germany to make reparation payments. (c)germans hated the versailles treaty and supported hitler's actions to defy it. (d)the soviet union wanted to take over german territory in eastern europe.

Why do you think that wilson 14 point was not put into practice