Please, check

[irmamar]

X estrategias se han desarrollado con el fin de tratar de...

X strategies are developed with/for ? the purpose of dealing with...

Thanks. :)

[conejodescarado]

Diría: X strategies have been developed with the aim of dealing with…

Si puedes decir "purpose", diga "for the purpose of".

EDIT | A lo mejor "X strategies were developed with the aim of". "Have been" sería "han sido". Perdona que te confunda o_O