Which change did not contribute significantly to the expansion of industrialization in the United States during the 1800s?

he sent troops to protect the students as they entered the school.

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.

confederacy: supported slavery, believed states should be able to nullify federal laws, supported low tariffs

union: everything else