If you are referring to the United States, the answer is probably the Vietnam War.
Manifest destiny was the reason the US claimed Oregon country.
Answer:
Cattle trails were slowly replaced by the rail roads
Explanation:
Cattle trails were slowly replaced by the rail roads. The rail roads spread to most part of the West in late 1800s which then replaced or reduced the usage of cattle trails to its minimum specially the long cattle drives. The Long cattle drives were replaced by the local trails on rail roads.
A Christian is a person who adheres to Christianity.
The name derives from Jesus CHRIST of course and fron the Greek "Christòs" (messiah)
Christian is also used as an adjective to indicate everything that is holy and associated to Christianity