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.
<span>Dmitri Ivanovich Mendeleev</span>
He was a Russian chemist and inventor. He formulated the Periodic Law, created a farsighted version of the periodic table of elements,
and used it to correct the properties of some already discovered
elements and also to predict the properties of eight elements yet to be
discovered.
Bearing in mind this passage, a) one way in which the Northwest Ordinance extended republican institutions into new territories was through the land rent to a settler and the proceeds were used to pay for schools. The ordinance encouraged this commitment involved with religion and morality. b) Another way that is not mentioned is that settled a precedent for federal support education, being the first national education law passed anywhere in the world. c) The Northwest Ordinance was the first and main conflict between them, because Native Americans were displaced across the Appalachians and the Midwest (today) and then, with the Ordinance they were promised decent treatment and education. However, many of them resisted and they stayed in their territories until the twentieth century.