Answer:
Following the Swedish defeat in the Finnish War of 1808–1809 and the signing of the Treaty of Fredrikshamn on 17 September 1809, the eastern half of Sweden, the area that then became Finland was incorporated into the Russian Empire as an autonomous grand duchy
Explanation:
B) The beliefs, behaviors, values, and forms shared by a particular group of people
Abolitionist wanted to end slavery so it should be the second option, hope that helps
