What conditions led to the development of feudalism in both western europe and japan

I believe the answer is: in both cases government loses power to local chiefs

After the lost of power, the chiefs managed to established their own territories and divide both Europe and Japan into several parts. Later on, these chiefs started to hire their own military (knights and samurais) , and they also develop their own economic policies.

is this a multiple choice question? if so, could i see the answers to give you the right one!

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.