Advantages:
From a conservative or state-based ideology: it is much easier to control population since they rarely receive "strange" ideas or influence from outside. Domestic policies become much more important. In so, it becomes easier to set popular aims targeting citizens.
The country could(historically seen) stand the best defense against outside powers which could try to set an invasion. For example, the Great Wall of China turned out to set a strong defense against Mongols and other menaces along many centuries.
Disadvantages are listed:
Trading with other countries can influence negatively on economic growth, as there is no autonomous country even if it results as big as China.
Trade has become key in today's globalized world, henceforth the need to collaborate or cooperate in economic exchanges is a necessity to keep up the pace in global affairs.
South Carolina used slaves for the same reasons every other state used them for. It helped save them money,
For example, they have to pay someone for work but they used African Americans as slaves by forcing them into labor and not paying them. Resulting in saving of money
So it was important to South Carolina to help save money as well as pick cotton for other important uses.
Answer:
What replaces steam? What new power source was developed in the late 1800s? In the late 1800s, a new power source—electricity—replaced steam as the dominant source of industrial power.
Answer:
Explanation:
Because if we were not to trade,then we would't have new ideas or new things,it's simple enough to know.