This article discusses the topic of the great tribulation (Matthew 24), what are its characteristics and when it will come. Among other things, Christians will face great pressure because of persecution. The article also discusses the signs of the times.
From Matthew 24:14 this article shows that the preaching of the gospel to the whole world will precede the second coming of Christ. This preaching is about the kingdom, and its purpose is to save the elect and render people without excuse.