What were some positive impacts of the transcontinental railroad?

All i need is an outline i need with getting started with a research paper. i need with an outline for history of slavery. i don’t know how i should start it end. i need with an outline.

Due to seriouse dogmatic differences between the orthodox church and the western christian churches, the orthodox xhurch is not in communication with the roman catholic and protestant communities

Which is another term for the enterprise system?