What did agriculture provide that changed the course of human history?

Why did jefferson make the louisiana purchase?

Which statement best describes standard oil in the late 1800s? standard oil controlled only a small number of the nation’s oil refineries. standard oil was a single business that operated in a small region. standard oil controlled only the means and methods of oil production. standard oil owned ninety percent of all oil refineries in the united states.

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.