The international attitude was the world wanted revenge through a peace treaty and holding Germany accountable for all the damages.
There were several causes that lead to the Cold War. The most important ideological conflict was that the Soviets believed in Communism and rest of the worl including United States of America disliked Communism. Soviets were against capitalism and the Americans were in favor of capitalism. The Soviets were also afraid of the nuclear bombs that United States possessed during that time and it was a grave security concern for the Soviets.
Probably rivers and water sources, because you need water to farm, and the water by rivers is rich and the soil is good. So yea the rivers and other water sources would be the main thing.
Adding political cartoons. some people couldnt read (some immigrants, slaves, poor people) so the addition of political cartoons increases their coverage because more people are able to absorb the information