The secondary source notes that the concept of "a new birth of freedom" refers to the redefinition of freedom during the American Civil War, particularly with the Emancipation Proclamation. It symbolizes not just the end of slavery but also the broader idea of equality and civil rights for all, expanding the nation's ideals of liberty and justice.

A P wave can travel through liquids. - accurately describes a P wave.

An intellectual disability typically presents itself during the developmental period, which is before the age of 18.

In a residential installation, the grounding conductor is connected to the: service-disconnecting means.