Which industry was helped the most by increased innigration from china?

The railroad industry was helped the most by increased immigration from China.

Chinese immigrants played a crucial role in the construction of the Transcontinental Railroad, which connected the eastern and western United States. They were recruited in large numbers because of their reputation as hard workers and their willingness to work for lower wages than white laborers. Between 1865 and 1869, over 15,000 Chinese laborers were employed in the construction of the railroad. They performed dangerous and difficult tasks such as blasting tunnels and laying tracks. Without their contribution, the Transcontinental Railroad would not have been completed on time or at the same cost.

The Transcontinental Railroad was a major turning point in American history, as it opened up the West for settlement and commerce. It also fostered economic growth and contributed to the development of the United States into a major economic power.