The main issues were Slavery and State's Rights, which caused the South to argue with the North whether to ban Slavery or not. Abraham Lincoln was Anti-Slavery, which would be a threat to the South's Economy. When Lincoln got elected in the Election of 1860, South Carolina (and by extension the rest of the South) got angry because they could loose their State's Rights, and then they seceded.
Answer: The Great Plains are a vast high plateau of semiarid grassland. Their altitude at the base of the Rockies in the United States is between 5,000 and 6,000 feet (1,500 and 1,800 metres) above sea level; this decreases to 1,500 feet at their eastern boundary.
Explanation:
Originally a dependency of the Shang, the Zhou developed quickly under the reign of King Wen (Wenwang) and King Wu (Wuwang). In 1046 BC, King Wu defeated the Shang and established the Zhou. This signaled what is called the Western Zhou in Chinese history.
That is true. Refugees or people that try to escape danger in their home countries are not subject to the same immigrants' limitations as other immigrants.
Refugees are people who are forced to leave their hometown or country so that they can avoid war, persecution, and natural disaster, so they are able to flee from dangerous stuff that will most likely occur sooner or later.