B. allows the audience to observe events as they occur; provides insightful commentary
Face to Face is better because it’s much easier to comprehend in person, and you have the help of others.
The earths rotation could be known as a day or 24 hours and the earths revolution is known as a year or 365 days
I hope this helps!
Answer: Germany
Explanation: Germany became the first nation in the world to adopt an old-age social insurance program in 1889, created by their Chancellor, Otto von Bismarck.