Acts 15:36 - 16:40 Why is the Holy Spirit called the Spirit of Jesus?

Why did God allow the missionaries to encounter so much opposition and trial?
Why did Paul not accept the slave girl's testimony?
List the people saved at Philippi.
Why were only Paul and Silas imprisoned?
Why did the other prisoners not escape?
List the elements of salvation in this chapter. Are they different from those in other chapters in Acts?
Did this jailer have any background in Judaism or Christianity?
What does "his household was saved" mean?
Why did Paul make the city officials apologize in person?