The Olmec civilization was located in "MesoAmerica," since they were located in an area that is now part of present-day Mexico (although the borders are significantly different now).
Recently converted Britons, if we're talking about the Middle ages and the wave of christenings that were occuring at the time, then we can say that they were at first somewhat reluctant about their new faith. Over time, however, they had grown accustomed to it and respected it deeply.