As to why God has allowed suffering for a time and how he will bring it to an end, please see chapter 8 and chapter 11 of the book What Does the Bible Really Teach?
Mengenai alasan Allah mengizinkan penderitaan untuk sementara dan bagaimana Ia akan mengakhirinya, lihat pasal 8 dan pasal 11 buku Apa yang Sebenarnya Alkitab Ajarkan?