Problem: How does the sentence end?

Megan was always following in the steps of Sarah since 
Answer: Sarah provided effective leadership .

Problem: How does the sentence end?

Samantha stopped smoking for the sake of Maria, because 
Answer: Samantha wanted them to stop worrying.

Problem: How does the sentence end?

Erin got regular manicures and Tanya did not, so 
Answer: Erin has beautiful hands and fingers.

Problem: How does the sentence end?

The English reading skills of Lawrence are far inferior to Logan because 
Answer:
Logan is a native English speaker.