What does faith require? A couple of widows wrestle with the hardships of life. Each make a choice. Ruth’s choice illustrates how faith is not a mere abstract set of interesting ideas, but affects and informs real life.
What is happening? The spread of Gospel to the Gentiles was not in itself surprising, but the pouring out of the promised Spirit on uncircumcised Gentiles caught many Jews by surprise. Some even objected. Finally, James addressed the meeting that what was happening was in line with prior Scripture revelation.