Where did construction of the transcontinental railroad begin?

On May 10, 1869, at Promontory Summit, Utah, a golden spike was hammered into the final tie. The transcontinental railroad was built in six years almost entirely by hand.

Explanation:

the gutenberg bible was and about 180 copies were sold/made

the correct statement is letter a.   according to the mandate of heaven, kings were considered godlike beings, so they could do as they .

the mandate of heaven is a chinese political and religious ideology used since ancient times to justify the rule of the king or emperor of china, that has been in place since the zhou until the dynasty system ended. it has been created to justify the zhou as the main power of the region. in order to keep harmony, the ruler has to make what he wants and what people want. he had to make good choices to satisfy the people and then they will be happy and keep you in power.