When was the "economic miracle" in the Federal Republic of Germany?

EDITORIAL LEARNING AID

Why is this answer correct?

The West German economic miracle fell in the 1950s, with strong growth and almost full employment. In the 1940s the economy was still in ruins and the war dominated daily life. The 1970s and 1980s brought oil price crises and recessions.

Economic miracle: the 1950s.

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