Virginia
I need more words to post this answer so
Answer:
Why and how did the American's force the Japanese to trade with the United States? Pressured by congress, President Millard Fillmore sent Matthew C. Perry and a naval expedition to Tokyo to open Japan. ... He wanted to support peace and to increase trade among the nations in the Americas.
Explanation:
B. Mao's focus on rural steel production led to widespread famine and starvation.
Due to the immense focus of the rural population on producing steel, and environmental disasters (Great Chinese Famine, 1959-1961), the resulting consequence was failure to produce enough food to sustain the population (leading to widespread famine and starvation).
The answer is definitely D.
MIT defines calculus as the study of change, usually in motion.