Farmers and laborers made up the Sumerian
class. (middle/working)

True, if you classify it more specifically, Farmers were the working class but were the bottom class and the middle class consisted of craftspeople and merchants.

Explanation:

To describe the hierarchy of ancient Sumer briefly.

At the top was the king, followed by priests and nobles. Craftspeople and merchants were the middle class. Farmers were in the working class, and slaves were at the bottom.

from the conditions of the working class in england by friedrich engels,the main idea is :

world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

explanation: