What racist belief was the focus of nazi foreign policy?

Read below :)

Explanation:Nazis believed that Germans were biologically superior (Arian race) destined to obtain (Lebensraum).

This encouraged a violent and expansive foreign policy, in pursuit of the land in the East of Europe, where Slavic people habited. The policy was further directed at the Soviet Union at large since it was the natural rival of Germany.

Lebensraum was a concept to justify fierce and quick expansion by all means so that German population would eventually inhabit a "continent" where Aryans would live and develop as they were "genetically entitled" to live in pursuit of an inevitable process of evolution of races.

the space race was a battle to make advanced technology to get to the moon and to get a better understanding of space.

when he becomes king