How did the avars contribute to the weakening of the byzantine empire?

the avars teamed with the powerful to overthrow zoe and theodora.
the avars formed a powerful kingdom along the danube river and attacked from this position.
the avars turned against the byzantines after initially them fight the slavs.
the avars used advanced greek technology to besiege the city of constantinople.

Which is not a characteristic of capitalism? 1. market economy 2. supply and demand 3. freedom of competition 4. classless society

Read a report of the paris medical faculty from 1348 about the plague. we can say that the main cause of this pestilence was and is the configuration of the heavens. in 1345, at 1: 00 in the afternoon of march 20th, there was a major conjunction of three planets in the constellation of aquarius. this conjunction, along with others like it and the eclipse caused a deadly corruption of the air around us. what is the most likely reason this document would be important to a historian’s study of the black death? a) it shows the importance of astronomy in medicine today. b) it shows how medicine once differed in paris and london. c) it shows how the plague’s cause was interpreted in the past. d) it shows the desperation to find a cause of the black death.

When lincoln was first elected president, he hoped to prevent war by allowing (1) in the united states.