What condition most directly contributed to the spread of disease in the city tenements in the early 1900s?

Aman with a genetic disease marries a woman who does not carry the disease. it is not possible for their sons to have the disease. the disease. it is not possible for their so s to have the disease. the disease must be

The ideas of led to the founding of the democratic party.

Which statement best summarizes the process of the abolition of slavery in the united states? o a slave owners agreed to limit and ultimately abolish slavery to prevent a slave rebellion similar to the haitian revolution o b. the united states did not abolish slavery until after many latin american countries did because it faced opposition from powerful slaveholders o c. the abolition movement in the united states used a series of legal challenges to successfully outlaw slavery. d. the abolition movement used nonviolent tactics to eventually convince the u.s. government to abolish slavery.