In the Communist Manifesto, Karl Marx hypothesized that capitalism would fail if workers revolt against the government. Hope this helps!!<span />
Answer: B. by working together voluntarily
In 1883, railroad companies were able to standardize their timetables. One of the best practice that they did is that they work together voluntarily for the welfare of the majority. It is the unity that they were able to construct that made the standardization of their timetables.
The best event to show the destruction of the natural landscape after the west was settled was when the government allocated regions in the west for the American Indians. The Indians were given land to live on for life, these are called Indian reservations.
Because, the Persians felt that their army could outnumber Greece, also because they might not have known what they were getting into when they attacked the Greek city-states. Hope that helped :D