Because they were rivers, so immediately you know it was a water source. Plus, these rivers flooded, which was beneficial for having fertile soil. The fertile soil meant crops could be planted there.
Carter continued, initiated by Richard Nixon's policy of normalizing relations with Beijing. January 1, 1979 the United States established full diplomatic relations with the Peoples Republic of China, thus withdrawing support for Taiwan.
The major difference between absolutism in prussia and france was that in Prussia there was a strong middle class, limited nobility and a well-developed medieval monarchy while in France there was a weak middle class and strong nobility.