In 1933, the National Socialists under Adolf Hitler established in Germany …

EDITORIAL LEARNING AID

Why is this answer correct?

After 1933 the National Socialists dismantled all democratic rights and established a dictatorship. Germany had been a democracy in the Weimar Republic until 1933 and a monarchy until 1918. There had been no principality on German state territory since the nineteenth century.

The Nazi dictatorship began in 1933.

This translation and explanation are editorial learning aids. The official German wording and answer key govern the examination.