Lech Walesa (polish politician and labor activist)<span />
<span>Earlier historians consider the Medial Period the 'Dark Ages' due to the absence of written records which could have survived, which would have shone some light on this otherwise unknown period in time. The Dark Ages are often thought to be the years between 500 and 1500 CE, between the endings of the Roman Empire and the beginnings of the Italian Renaissance.</span>
The Han, Roman and Gupta empires all fell do to invasion. A strong, loyal army is necessary to protect the empire from invasion. All of these empires were first weakened by a succession weak governments. The trust and faith in the government was eroded over time. Internal strife by the people because of declining abilities of the government to govern weaken the state. The government should try to prevent internal rebellions by maintaining good governance over the people.