Complex sentence: Because the law was targeted at Santería, the Court held, it was not subject to an undemanding rational basis test: rather, it had to be justified by a compelling governmental interest, and be narrowly tailored to advance that interest.
Split into simpler sentences: Because the law was targeted at Santería, the Court held, it was not subject to an undemanding rational basis test. Rather, the nature of the case was held to mandate a standard of strict scrutiny: state action had to be justified by a compelling governmental interest, and be narrowly tailored to advance that interest.