Complex sentence: The failure to rebuild the Temple has been ascribed to the Galilee earthquake of 363, and to the Jews' ambivalence about the project and to divine intervention, which is the common view among Christian historians of the time.
Split into simpler sentences: The failure to rebuild the Temple has been ascribed to the Galilee earthquake of 363, and to the Jews' ambivalence about the project. Divine intervention was the common view among Christian historians of the time.