Railroads transformed time travel. What other modern inventions transformed time and travel like the railroads did?

How does an oligarchy conflict with democratic principles

Which of the following was an effect of allied defeats and high casualty rates on the eastern front? the united states issued the fourteen points. russia entered the war on the allied side. the united states entered the war sooner. russia experienced a revolution and dropped out of the war.

What was the most important consequence of the large-scale ecological changes in africa two hundred thousand years ago?