___ provided information about places previously unknown to Americans and proved conclusively that an all water route across the continent did not exist

the use of email to replace slower surface mail.

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.

explanation:

an oligopoly is a term used to clarify the structure of a particular market, industry, or organization. a market is considered oligopolistic or amazingly focused when it is shared between a few companies.

doat means to cherish based on the key word fancying and that it is a living thing