L

Match each term with its definition or description.
blitzkrieg
a German term meaning "lightning
war
radar
a device that uses radio waves to
detect aircraft
isolationism
to start
initiate
the process of removing something to
safety
evacuation
a foreign policy where a nation
chooses to stay out of world affairs

advice that uses radio to detect aircraft

Explanation:

because it is Important to protect it through radio

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).