He asa 20 points and brainliest ( i will be checking if your correct soo make sure your correct plz you) 1) most workers for the union pacific railroad were irish french german chinese 2) cities grew along railroads and canals because the government designed the cities workers could not live anywhere else settlers could obtain cheap land nearby there were not enough roads made of tar 3) which invention was the basis for the major developments in american transportation? steam engine wagon axle canal lock gold spike 4) john loudon mcadam developed a method for building engines boats canals roads 5) the sections of the transcontinental railroad join in california nebraska kansas utah