The greeks were certain that they could figure the "why" and " HoW" by

Overview

The Greeks made important contributions to philosophy, mathematics, astronomy, and medicine.

Literature and theatre was an important aspect of Greek culture and influenced modern drama.

The Greeks were known for their sophisticated sculpture and architecture.

Greek culture influenced the Roman Empire and many other civilizations, and it continues to influence modern cultures today.

the graph shows the spread of railways in the 1800s.

based on the graph, the conclusion that can be drawn about germany is answer d)   by 1880, germany had more rail lines than great britain and russia.

hi! i'd love to assist you with this however the chart is not attached to your question. could you share the attachment with me? !