I am pretty sure that the atmosphere keeps the oxygen and light in it
Answer:
MOUNTAINS!!!!!
Explanation:
Mainland Greece is a mountainous land almost completely surrounded by the Mediterranean Sea. Greece has more than 1400 islands. The country has mild winters and long, hot and dry summers. The ancient Greeks were a seafaring people.
-google
Answer:
The correct answer is corruption and war
Explanation:
All other options except the first one led to the crisis and problems connected to economy, but on the other side didn't led to the destruction of those countries. Still, on the other side what was known to all mentioned countries was corruption. That led to internal crisis that were finished with the invasion of outsiders. The best example for that is Egypt, as Old, Middle and then New Kingdom disappeared in wars.
Federalism is the principle or system of government. A federalist believes that government is powerful enough to provide protection against external and internal threats.