Final answer:
Judaism underwent changes during 535 BC-66 CE, including the imposition of strict monotheism, compilation of the Torah, development of religious customs, and the emergence of various groups.
Step-by-step explanation:
During the period of 535 BC to 66 CE, Judaism underwent several changes. In the 7th century BCE, reforms led to the imposition of strict monotheism and the compilation of the Torah. After the exile in Babylon, the Hebrews developed religious customs and preservation of their identity. The period also saw the rise of various groups such as the Sadducees, Pharisees, Essenes, and Zealots.