Which two events were major influences on modernist writers?

Modernist literature originated in the late 19th century, although it achieved its climax during the early 20th century. Modernist literature was characterized by a break with the past, and experimentation with new ways of writing. Modernist writers were extremely influenced by both WWI and the Great Depression, and this encouraged them to develop a type of writing that would better reflect the new realities and sensibilities of the time.

answer; (b); the abolitionist movement;