What was the effect of new technology on world war i answer?

What are new social classes emerged due to advancement in agriculture ?

How did the cleveland massacre impact standard oil in 1872? standard oil hired all the laborers who were nearly killed during the cleveland massacre. standard oil became a monopoly in the cleveland oil market after the cleveland massacre. standard oil was bought out by other companies in the city after the cleveland massacre. standard oil closed down to avoid additional violence in the wake of the cleveland massacre.

Explain why american modernist writers might have perceived the world as chaotic in the early part of the 20th century. should be at least 250 words.