[Solved] Chapter 15 Make Sure

I need help in writing in summary for chapters 12,13,14 and 15 require a summary in 300 to 400 words. for each chapter. 

summary 1 of Chapter 12

summary 2 of Chapter 13 

summary 3 of Chapter 14

summary 4 of Chapter 15 

make sure to check the plagiarism check, please. it should be 0%, please.