Answer:
The Byzantines sent wave after wave of christian missionaries to the Slavic lands, which sorrounded the Byzantine Empire.
Two of the most important missionaries were Saint Cyril and Saint Methodious. They were brothers, and converted many slavs to Orthodox Christianity, specially those living in Moravia. They also invented the cyrilic alphabet to give a script to the Slavic languages, and help spread christianity faster. Hence the name of the alphabet.
he delegates to the Constitutional Convention finally agreed the Three Fifths Compromise, that slaves should be counted at three fifths of their real number. The Three Fifths Compromise resolved the issue of counting slaves towards population in regards to representation in the House of Representatives.
The correct answer is B, "sharecropping."
The steamboat. it helped travel rivers upstream