<span>Homo neanderthalensis</span>
I'll first explain what the non-aggression pact was. It was an agreement that the Soviet Union and Germany would take no military action against each other. To answer your question it is B. The pact was to make sure he could safely attack Poland.
C. It legitimized the power of the national government over states
Definition<span> of </span>nationalism<span>. 1 : loyalty and devotion to a </span>nation; especially : a sense ofnational<span> consciousness (</span>see<span> consciousness 1c) exalting one </span>nation<span> above all others and placing primary emphasis on promotion of its culture and interests as opposed to those of other </span>nations<span> or supranational groups.</span>