Which factor contributes to the population change shown in the table

Year. Population
1850 92,597
1860. 379,994.
Completion of the Eerie canal
Completion of the transcontinental railroad
Relocation of American Indian Indians, two reservation
Discovery of gold at shutters Mill

The completion of the transcontinental railroad likely contributed to the population change shown in the table, as it would have made transportation easier and potentially attracted more people to the area.