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.

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).

at hatfield elementary school, there are 504 students in 7 classes. each class has the same number of students. what is a good estimate of the number of students in each class?