Answer: B is correct.
Explanation: example of that: USA between two wars is sometimes described as a country practicing policy of isolationism (Harding, Coolidge, Hoover). ...especially in relation to Europe.
The reason why the Crusaders were so successful in the first Crusade was that the Turks were already weak from fighting themselves - B.
Contrary to common thought, at the times there was no single unified muslim resistance that was fighting the Crausaders, at least in the beginning. There were a lot of fractions that were fighting between themselves and against the Crusaders.
The answer for apex is Freedom of speech
Assassination of Franz Ferdinand
Answer:
Abundant plant and animal life.