Matthew 28:19

28:19 Therefore go and make disciples of all nations, baptizing them in the name of the Father and the Son and the Holy Spirit,

Mark 16:15

16:15 He said to them, “Go into all the world and preach the gospel to every creature.

Luke 24:47

24:47 and repentance for the forgiveness of sins would be proclaimed in his name to all nations, beginning from Jerusalem.

Romans 10:12-15

10:12 For there is no distinction between the Jew and the Greek, for the same Lord is Lord of all, who richly blesses all who call on him. 10:13 For everyone who calls on the name of the Lord will be saved.

10:14 How are they to call on one they have not believed in? And how are they to believe in one they have not heard of? And how are they to hear without someone preaching to them? 10:15 And how are they to preach unless they are sent? As it is written, “How timely is the arrival of those who proclaim the good news.”

Revelation 14:6

Three Angels and Three Messages

14:6 Then I saw another angel flying directly overhead, and he had an eternal gospel to proclaim to those who live on the earth – to every nation, tribe, language, and people.