Final answer:
The Pittsburgh Platform was a declaration by American rabbis in 1885 that represented the views of Reform Judaism. It rejected many traditional Jewish practices and focused on religious and ethical principles.
Step-by-step explanation:
The Pittsburgh Platform was a declaration made by a group of American rabbis in 1885, representing the views of Reform Judaism. It rejected many traditional Jewish practices and beliefs, including the idea of Jews as a separate nation or people, and instead emphasized a focus on religious and ethical principles. The Pittsburgh Platform aimed to modernize and adapt Judaism to the changing world, and it reflected the perspectives of nineteenth-century Reform Jews in America.