As result of the hundred years' war, the use of feudal knights was discontinued due to their failure in the war. continued in practice only, and the reason for many civil wars across western europe. the training of many future kings. the model for future military troops.

b. after i get up in the morning,

explanation:

after is a subordinating conjunction that introduces a time clause. time clauses are dependent clauses used to indicate when something happened.

the clause "after i get up in the morning" tells when the action in the main clause (drinking a cup of coffee) happens:

"after i get up in the morning, i drink a cup of coffee." it is the most logical choice of all.