A. Ra would be the answer
New ideas- even if the research is medical, the real reason focuses on the introduction of new ideas.
U.S. Route 41, also U.S. Highway 41 (US 41), is a major north–south United States Numbered Highway that runs from Miami, Florida, to the Upper Peninsula of Michigan. Until 1949, the part in southern Florida, from Naples to Miami, was US 94.
I'm guessing the answer is A.
