Final answer:
Charles Grandison Finney advocated for opposition to slavery and public prayer by women during the Second Great Awakening.
Step-by-step explanation:
As one of the greatest revivalist preachers during the Second Great Awakening, Charles Grandison Finney is notable for several key aspects of his ministry that connected with social reform movements. Specifically, Finney advocated for opposition to slavery, encouraging people to seek spiritual salvation and perfection, which in his view, conflicted with the institution of slavery. Additionally, he supported public prayer by women, empowering them to speak publicly in "witness" or "testimony" during mixed-sex religious gatherings. Finney's activism contributed to the wave of social activism during the period, a movement that aimed to achieve a wave of social reforms including the temperance movement, women's rights, and education reform.