The immediate causes of the Hundred Years War were the dissatisfaction of Edward III of England with the nonfulfillment by Philip VI of France of his pledges to restore a part of Guienne taken by Charles IV. so, in a way Edward lll did qualify as a trigger in the war.
I believe the answer is B. and E.
Hope this helps and sorry if im wrong
In a federal system the federal government has more power than the state governments.
This question can have many answers but ill try to answer it in the north slaves werent profitable so most northerners didnt have slaves and eventually slavery was seen as morally wrong in the north so in the south once abraham lincoln became president the south became its own coutry and the civil war began so after the north won slavery was abolished in the south.