1. A family in the 1840s traveling west in a covered wagon across grassy plains under a blue sky. 2. Railroad construction in the 1860s with workers and a steam engine moving across the American landscape. 3. Workers laying railroad tracks in the California hills, surrounded by mountains and streams. 4. Chinese laborers building the Transcontinental Railroad through rocky terrain. Give four seperate images it should be one for each prompt number given above Mehr sehen