'effort' is a noun; why are they using 'effort to' like this? Is that right?

ISIL efforts to recruit future terrorists are being thwarted not only by defeats on the ground, but also through a concerted effort of Muslim voices ... (VOA)

Question

'effort' is a noun; why are they using 'effort to' like this? Is that right?

ISIL efforts to recruit future terrorists are being thwarted not only by defeats on the ground, but also through a concerted effort of Muslim voices ...  (VOA)

Answer

我很喜欢你这个问题。因为我从来没有考虑过to在这里的用法。我觉得to是表目的，但蹲一个答案。
英文里很多关于efforts to do sth 的例句。
1.Their efforts to revive him were futile.
2.Efforts to sandardise English spellings have not been successful.

Answer

TO RECRUIT etc. is a phrase describing the efforts.

Answer

ISIL efforts to recruit future terrorists are ...
ISIL efforts have led to recruit future terrorists. They are ...

have led to = 导致