How did attitudes towards slavery in California benefit biddy Manson?

Biddy Mason, a formerly enslaved woman who gained her freedom in California, benefited from the state's more progressive attitudes towards slavery, especially following its admission as a free state in 1850. California's legal environment allowed her to assert her rights and ultimately secure her freedom from her enslaver. This shift in societal norms enabled her to build a successful life as a nurse and entrepreneur, while also becoming a prominent advocate for civil rights in her community. Her experiences highlighted the contrasts in attitudes towards slavery and freedom in different regions of the United States.