More than 150 years ago, some 15,000 Chinese workers arrived in the U.S. to help construct the country’s first transcontinental railroad, which connected the West Coast with the East Coast’s rail network. More than 150 years ago, some 15,000 Chinese workers arrived in the U.S. to help construct the country’s first transcontinental railroad, which connected the West Coast with the East Coast’s rail network. Social Sciences Phys.org – latest science and technology news stories