Majority of the information that is required to answer this is not contained in this
The transcontinental railroad connected the east to the west.
Common practices and culture
The correct answer is how did the role of a religion which is in Europe changed between modern eras and postclassical?
Historian is termed as a researcher on a scholar who uses wide range of sources, techniques and tools to understand the past and how people and society they have changed.
They divided times and periods where similar events they do take place.