Who posed an eastern threat to the byzantine empire?

Which word most closely describes the type of government in edward bellamy’s looking backward

Indian scholars invented all of the following that we use today except .

Why did poland, hungary, and east germany join the warsaw pact? a)their people voted to join in free elections. b)their efforts to join nato failed. c)they wanted to stop the spread of communism in europe. d)they were soviet satellites that had little choice.