What immigrant group was important to railroad building in the west?

By the time the Union Pacific and Central Pacific railroads met in Utah in 1869, Central Pacific had recruited thousands of additional workers directly from China. When the Transcontinental Railroad was complete, Chinese laborers made up over 90 percent of Central Pacific's workforce. So Chinese

it was the chinnese immagraton.

By the time the Union Pacific and Central Pacific railroads met in Utah in 1869, Central Pacific had recruited thousands of additional workers directly from China. When the Transcontinental Railroad was complete, Chinese laborers made up over 90 percent of Central Pacific's workforce.

mark brainliest  :)

athena gives perseus a mirror sp he won't directly look back at her.

a sample of water is taken and kept in a beaker in a freezer at a constant temperature of 0°c. if the system is at dynamic equilibrium, which of these statements is true?