It was a chain reaction. Long story short, the countries were pulled into the war because of agreements they had with their allies. This treaty is what caused the countries to enter WWI, to protect and defend their allied countries who were already in the war.
Are there options? If not, I believe you meant to write glib? If I am not mistaken a good definition would be fluent, smooth, easy and unconstrained. Hope this helps!
Plato's famous philosophical work was called The Republic. In this seminal work Plato, who was a famous Greek philosopher from the antique times, he was describing how a utopia in the form of a country would look like. His work is still being read tody and is considered an important piece of intellectual work in some aspects.
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.
The Compromise of 1877, also known as the "Corrupt Bargain" or the "Great Betrayal" marked the end of Reconstruction in the South and a return to "Home Rule". The Compromise of 1877 was reached to settle the disputed 1876 U.S. Presidential election.