The Blitzkrieg tactic, which was the usage of overwhelming air power allowed the Germans to acquire territory quickly and intimidate their enemies. The use of the lighting war on Great Britain, for instance, was ultimately unsuccessful.
The motives, at their core, was to basically conquer the world.
The correct answer is C. Texas left the decision of slavery to popular sovereignty, which is essentially popular vote.
Its really c because it would make more sense with a representative.