The area that was hit the hardest was the Great Plains it impacted the economy greatly due to the crop reduction so B
Photographic paper reacts to light to produce the image taken by a camera and stored on film. Darkrooms used red lighting to allow photographers to control light carefully, so that light-sensitive photographic paper would not become overexposed and ruin the pictures during the developing process.
I believe the answer is B
The Zollverein was <span>B. an economic union of German states.
</span>Founded in 1834 by the Zollverein treaties, the Zollverein was created to <span>manage </span>tariffs<span> and economic policies within their territories.</span>