1987. The greater part of the Danube Delta lies in Romania (Tulcea county), while its northern part, on the left bank of the Chilia arm, is situated in Ukraine (Odessa Oblast). The climate is so dry that these plains are sometimes thought of as part of the Sahara. It differs from the western portion of the country in that its prominent topographic features do not parallel the coast. Northern Algeria is in the temperate zone and enjoys a mild, Mediterranean climate. The first and foremost was the Ohio River, which flowed into the Mississippi River. At the heart of the conflict was the question of whether Kansas would enter the Union as a free state or slave state. National reaction to the events in Kansas demonstrated how deeply