What was the significance of the transcontinental railroad

The First Transcontinental Railroad stretched from the East Coast of the United States to the West Coast. No longer would people travel in long wagon trains that took months to reach California. They could now travel faster, safer, and cheaper by train.

Explanation:

It connected all of the country's railroad systems, which made shipping people and goods around much quicker and easier.

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.