It is false because it has changed over the years.
Declaration of Independence
Width and depth increases as more water is added from tributaries. Gradient (the slope of the land) decreases as rivers flow because the river meanders across the land rather than erode into it and follow a straight path as it does in the source.
Under Communist leadership, North Korea has continued to evolve into a capitalist country. All deals that they make outside the country is leading towards capitalism and gaining an upper hand. This country has recently exposed a powerful nuclear missile and has shown the world their capabilities.
