Who was the grand prince of kiev who ordered russians to convert to orthodox christiantity

Answer quickly! correct answers only! how did an agricultural surplus relate to expanded trade during the high middle ages? a)trade increased because surplus crops could be traded. b)trade decreased because surplus crops were needed to feed local populations. c)trade decreased because surplus crops led to an oversupply of grains that could not be sold. d)trade increased regionally but decreased globally because trade networks had shrunk.

Which event in the history of the americans with disabilities act is an example of a conflict between different levels and branches of government?

The first national government for the united states was