colle intro
with the growing (gap/tension/difficultes...)between and
intro
with the advent of
avec l apparition de
following the (recent/strking/unexpectd/dramatic)development of
suite au developpement (revent/frappant/inattendue/dramatique)
with the (considerable/signifiant)progress of
avec les progres(considerable/significatif)
against a backdrop/background of/In context of
avec pour toile de fond
At a time where the issue of ... is increasingly debated
a un moment ou le sijet de ... nourrit de plus en plus debats
it is often (claimed/asserted)that...
on pretend souvent que
It is sometimed forgotten that ...
on oublie parfois que