21. Slavery became a major issue in the 1840s and 1850s because:
A)The northern states tried to
abolish slavery in the
southern states
B)The nation was expanding
to the West
C)The southern states
demanded the end of
slavery
D) None of these

a

explanation:

the fifth and fourteenth amendments to the united states constitution each contain a due process clause. due process deals with the administration of justice and thus the due process clause acts as a safeguard from arbitrary denial of life, liberty, or property by the government outside the sanction of law.

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the graph shows the spread of railways in the 1800s.

based on the graph, the conclusion that can be drawn about germany is answer d)   by 1880, germany had more rail lines than great britain and russia.