Answer:
Native American cultures shared two of the four characteristics with Egyptians. They had irrigation systems with complex canals to move water from the rivers into their fields. They also had road networks that evolved from simple footpaths to trails later on.
Answer: Balkans were called the "powder keg" of Europe because of the tensions and conflicts in the political situation going on. The Balkans consisted of numerous ethnic people, different religious groups, several cultural backgrounds.
Explanation:
The Balkans were preceded by World War 1 and in the early 20th century. Men from several countries joined the Balkan League because some were still under Ottoman rule even though independence had been achieved. It only took 4 states to defeat the Ottomans during the first war. However, Bulgaria was defeated in the 2nd war. When the "powder keg" finally exploded after fighting back and forth, this was when the first World War was started.
The invention and creation of the telegraph made a faster and cheaper method to send information across the nation, The Pony Express ended because of an advance in technology.
