Problem: How does the sentence end?

Since moss grew quickly in dark places, there was more moss on the log than the stump, because the 
Answer: stump was in the sun.

Problem: How does the sentence end?

Mary was bleeding profusely from the blow Laura had landed, so 
Answer: Laura relished having started the fight.

Problem: How does the sentence end?

Donald wanted a new pet but Kenneth disagreed, because 
Answer: Kenneth just hated cats so much.

Problem: How does the sentence end?

The scars on Katrina's chest are worse than Megan's, as a result of 
Answer:
Megan being barely injured in the war.