If they pulled their resources, the future Islamic entity of Europe would be quite dangerous.
pulled = pooled
Whenever Europeans pool their resources they split into factions and use their resources to try to wipe each other out.
The best, most intelligent Europeans came to the New World, and all that ended for a while.
Now, we're on the same path here.
The infiltration of Islam will add to that process, although the fatalism and lethargy brought by Islam will probably blunt it.