Which argument did president abraham lincoln use against the secession of the southern states?

What event during this time may have sparked this newfound independence of women and ushered in an era of adopting more modern societal values

Which statement describes the middle passage

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