In 1860, where were more railroads located – the North or the South?

The graph below shows how the price of wheat varies with the demand quantity. suppose that lower production costs increases the supply of wheat, such that more wheat is supplied at each price level. the new equilibrium price (after the increase in supply) is

How might reuionfucation of east and west germany in 1990 have been imporant turning point for the soilvet union

How has our understanding of the first sentence of the declaration of independence changed over time?