Answer:
C
Explanation:
C is the best summarry; A just lists facts, B just involves the 1950s-today, and D. only talks about the origin of the name.
All in all, C provides the broadest explanation.
Answer:
A diagram
Explanation:
It is pointing out the different features which is what a diagram does.
The answer is A. It uses the word farthest, as a word that shows the biggest difference.
My best guess would be, "B", "Grammatical conventions were much different then."