What is the most likely reason for the march?
to protest slavery
to demand workers' rights
to demand women's suffrage
to protest child labor

Before the civil war, the south’s economy was based on enslaved labor. large cities. immigrant workers. factories.

The u.s. constitution outlawed slavery. true false

Ascientist performs an experiment where she measures the mass of a piece of metal, pours acid onto the metal, washes the metal, and then re-measures the mass of the metal. the scientist repeats the experiment several times, each time increasing the amount of acid used. the dependent variable in the experiment is the: initial mass of the metal final mass of the metal amount of acid used washing the metal