Which choice best describes the biggest impact of Jonas Salk's work with poliomyelitis?

What is in his westrose president lincoln central claim in the speech

Which quotation from the passage best supports the themethat humans have a natural desire to learn about theworld? "they were men. i remember the dead man's face.""at least, we make a beginning."and the magic tools are broken—but we can look atthem and wonder."but they were men who built the city, not gods ordemons.

What statement from the passage most clearly establishes characterization for hrothgar