When Prussia was hit by famine in 1744, King Frederick the Great, a potato enthusiast, had to order the peasantry to eat the tubers. In England, 18th-century farmers denounced S. tuberosum as an advance scout for hated Roman Catholicism. “No Potatoes, No Popery!” was an election slogan in 1765. France was especially slow to adopt the spud. Into the fray stepped Antoine-Augustin Parmentier, the potato’s Johnny Appleseed.
I have a feeling that it's A. making laws
Because They Allowed More Than One Elected Official Run For Office
The right answer is the last one: transcendentalist thinkers. Transcendentalism was a philosophical, religious and literary movement that originated in the US (specifically as a reform movement within the Unitarian Church) approximately between 1836 and 1860. Based on Romanticism, Hinduism and Rationalism, transcendentalist thinkers believed in the capacity of each individual consciousness (without the need of religious mediators or ideas), in his/her purity, independence and self-reliance, which society and its institutions have corrupted.
I think it would be D. because Stalin didn't like the non-communist countries allowing that side to prosper, which is why the U.S. ended up with the food drops. I'm unsure though because I'm not sure if the Allies unified their zones in Berlin, but it seems incredibly likely.