Summarize how the Spartans defeated the Athenians​

Sparta decided to retaliate. Learning from its past experiences with the Athenian navy, they established a fleet of warships. It would be another decade of warfare before the Spartan general Lysander defeated the Athenian fleet at Aegospotami. This defeat led to Athenian surrender.

a countries leader should be motivated by the common good of the country.

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.