第22题：谁在建设加拿大太平洋铁路（CPR）中发挥了重要作用？

Thousands of Chinese workers helped build the Canadian Pacific Railway, especially through difficult sections of British Columbia. Many workers faced dangerous conditions and discrimination.

数千名中国铁路工人为加拿大太平洋铁路建设作出了重要贡献，尤其是在不列颠哥伦比亚省困难地段。他们经历了危险的工作环境和歧视。