Danube River<span>, </span><span>German </span><span>Donau, </span><span>Slovak </span><span>Dunaj, </span><span>Hungarian </span>Duna,<span>Serbo-Croatian and Bulgarian </span><span>Dunav, </span><span>Romanian </span>Dunărea,<span>Ukrainian </span><span>Dunay </span><span>, river, the second longest in </span>Europe<span> after the </span>Volga<span>. It rises in the </span>Black Forest<span> mountains of western </span>Germany<span> and flows for some 1,770 miles (2,850 km) to its mouth on the </span>Black Sea<span>. Along its course it passes through 10 countries: Germany, </span>Austria<span>, </span>Slovakia<span>, </span>Hungary<span>, </span>Croatia<span>, </span>Serbia<span>, </span>Bulgaria<span>, </span>Romania<span>, </span>Moldova<span>, and </span><span>Ukraine</span>
As the political aspects of geography focus on ethnicity, religion and the difference among the large regional forces of the environment that play a crucial role in defining the political stability of the world nations across the national boundaries.
<u>Various other factors like the regional variation arise from the political inequalities among the member nations if the wold and the instability of the government that break up the integrity of the nations like in the case of African nations wars and violence caused by the political instability has to lead to the eventual breakup of the country in terms of economic growth and uneven development.</u>
