What specific action by the king prompted the nobles to draft the magna carta and require the king to sign it?

The increase of taxations to fund the army after its defeat in France lead the nobles to create the Great Charter.

Explanation:

All right, here we go. The England army obtained losses in France and the king decided to increase the taxes to gather more resources to fund more attacks, the nobles rose with military means to stop his abuse and created the Magna Carta or "Great Charter" to ensure that the king had limits and laws he could not violate to exercise his wishes without consideration. Leading them to create a system to rule the men that governed them.

(e) a major consequence of the election was that several southern states

the answer is prolly b