The Free Soil candidates won 10% of the popular vote in 1848 but no electoral votes, in part because the nomination of Van Buren discouraged many anti-slavery Whigs from supporting them. ... The Compromise of 1850 temporarily neutralized the issue of slavery and undercut the party's no-compromise position.
In the study of history the available documents for studying a certain period is unchanging over time.
Option: B
Explanation:
History is the study of events and phenomena over space and time. Space means where the particular incident is taking place. Time means the period of occurrence of particular event. A certain period suppose the period of sultanate or mughal empire requires some documents, records to be studied in detail.
And these available documents, records can never be changed over time. History is study of things over changing space and time. Archaeological evidences also keep some valid documents for studying historical events.
