By the mid-19th cent. the territorial gains and westward movement of the United States were focusing legislative argument on the extension of slavery to the new territories and breaking down the Missouri Compromise of 1820.
Well, Germany is not usually thought to have started it, rather a Serbian rebel, Austrian ultimatum to Serbia to catch this rebel, Serbia's refusal to let Austria enter their country and Russian support of Serbia.
After all this, Austria asked Germany to support them, and Germany did, knowing that this means fighting against the powerful Russia.
So Germany's agreement to the ongoing war turned it into a bigger conflict.
Answer:
The answer is unconditioned stimulus and conditioned stimulus, respectively.
Explanation:
In classical conditioning, a conditioned stimulus (the sound of the bell) is associated with an unrelated consequence, called unconditioned stimulus. This produces an involuntary reaction called conditioned response.
The unconditioned stimulus is usually related to physiological needs, such as food or the avoidance of pain.
The "Lend-Lease Act" is the piece of legislation that ALLOWED nations fighting the axis power to "borrow" weapons from the United States. This was later prohibited by the "Neutrality Acts". So, the answer is B. Hope this helps!