In what ways was the culture of kievan russia an extension of the byzantine empire?

In 864 AD, the Byzantine monks Cyril and Methodius were sent North by the Byzantine government to convert the Balkans to Christianity. They were successful in the Kievan Rus. Their biggest contribution is that they developed an alphabet based on a modified Greek script, which we now call Cyrillic. Kievan Rus also traded with the Byzantines along the Dnieper River and the Black Sea. Under Vladimir I, Kievan Rus converted to Orthodox Christianity. He also married the Byzantine emperor's sister. During those times, Rus continued to imitate Byzantine culture, language and law.

in mcculloch v. maryland (1819) the supreme court ruled that congress had implied powers under the necessary and proper clause of article i, section 8 of the constitution to create the second bank of the united states and that the state of maryland lacked the power to tax the bank.

gibbons v. ogden, (1824), was a landmark decision in which the supreme court of the united states held that the power to regulate interstate commerce, granted to congress by the commerce clause of the united states constitution, encompassed the power to regulate navigation.

this forms a narrow, steep sided inlet (sometimes deeper than 1300 metres) connected to the sea. the terminal moraine pushed down the valley by the glacier is left underwater at the fjord’s entrance, causing the water at the neck of the fjord to be shallower than the main body of the fjord behind it.