Answer:
The Tito–Stalin split, or the Yugoslav–Soviet split, was the culmination of a conflict between the political leaderships of Yugoslavia and the Soviet Union, especially under Josip Broz Tito and Joseph Stalin, in the years following World War II. ... Stalin tried to pressure and moderate Yugoslavia via Bulgaria
The development of railroads was one of the most important phenomena of the Industrial Revolution. Trains provided supplies and equipment and a lifeline of the army. Trains made a big impact on the citizens. Railroads were visible symbols of industry and modernity during the Civil War.
It caused the civil war. The industrial revolution in the North, during the first few decades of the 19th century, brought about a machine age economy that relied on wage laborers, not slaves.