Who convinced the railroad officials that it was possible to build a railroad line across the sierra nevada mountains?

Based on the information on the left, what can be inferred about women’s earning power in the developed world?

How would you describe the state of germany between 1815 and 1848

If the united states became a "majority-minority” nation, o whites would be the majority, but there would still be ethnic minorities. there would be an equal number of whites and ethnic minorities. othere would be more ethnic minorities in the population than whites. o no one would be considered white or part of an ethnic minority group.