5. What did the German's claim these actions were in response to?

on march 7 ,1936 German troops marched into the Rhineland. This action was directly against the Treaty of Versailles which had laid out the terms which the defeated Germany had accepted. This move, in terms of foreign relations, threw the European allies, especially France and Britain, into confusion.

Explanation:

mass production/ assembly line production

your answer will most likely be a.