USA HISTORY

Detailed explanation-1: -The correct answer is B) Building railroads in western territories. Irish and Chinese immigrants are best remembered for performing the following type of labor during the late nineteenth century: “Building railroads in western territories."

Detailed explanation-2: -Chinese immigrants first flocked to the United States in the 1850s, eager to escape the economic chaos in China and to try their luck at the California gold rush. When the Gold Rush ended, Chinese Americans were considered cheap labor.

Detailed explanation-3: -What group of immigrants arrived in large numbers on the US west coast for the primary purpose of working on the Transcontinental Railroad in the 19th century? Chinese laborers were vital in constructing the First Transcontinental Railroad.

Detailed explanation-4: -During the first half of the nineteenth century, demand for cotton led to the expansion of plantation slavery. By 1850, enslaved people were growing cotton from South Carolina to Texas.

Detailed explanation-5: -Why did slavery become a widespread practice in the United States during the early nineteenth century? The system of indentured servitude was banned. The need for agricultural labor increased as a result of expanded cotton production. Improved transportation systems made it easier for workers to migrate.