The threat of Islam is in its suppression of the message of the cross. Islamic teachers tend to deny the cross and the crucifixion of Isa al Massih Jesus Christ. They interpret a verse in the Quran seeming to say Christ did not die - Jews only thought they killed Him. They say there was a substitute made and someone else was crucified. In reality only a few people witnessed the crucifixion and subsequent resurrection of the Christ so proving Islam wrong intellectually is tough. Christianity has survived by asserting the crucifixion and resurrection. But if every country becomes Islamic how will such assertions continue except by divine help. The evidence of the crucifixion is not absent. There is the very meaning of the cross symbol for one thing and its relationship to the words Mass and Messiah (Massiach) - it is a very ancient symbol first seen in the very earliest writings in Uruk and continuing in use in Sumerian up until the times of the ministry of the Messiah. It means (from Wiktionary): 𒈦 (MAŠ)
1. şibtu "interest on a loan"
2. bīru; urīşu "sacrificial animal for omens"
3. mişru "border, boundary"
4. māšu “twin”
𒈦 (ĝešMAŠ)
1. gişşu "tree"
So it appears deeply symbolic that God who sent Him used a cross.
