The correct answer is A) It's government was well established.
At the outbreak of the Civil War, the American government has had the same structure for over a little less than a century. Whereas the Confederacy declared themselves free from the Union and created their own form of government that was extremely inexperienced. By the time the Civil War started, the Confederates had a government that had been in place for less than a year.
The Roaring 20s if it is the same multiple choices I had.
Answer:
major sumerian city states included Eridu, Ur, Nippur, Lagash ans Kish but one of the oldest and most sprawling was Uruk a thriving trading hub that boasted six miles of defensive wall and a population of between 40000 and 80000.