Final answer:
The term 'Hasidim' in the context of the Maccabean/Hasmonean leadership generally refers to the pious Jews who supported the Maccabean revolt and hence embraced and supported the Maccabean leadership seeking religious freedom.
Step-by-step explanation:
The Hasidim, or the pious ones in Jewish history, were a group that existed during the time of the Maccabean/Hasmonean leadership. However, your question seems to mix different eras since the movement known as Hasidism (associated with pietistic and mystical practices within Judaism) did not emerge until much later, around the 18th century. Alternatively, if by 'Hasidim' you're actually referring to the pious Jewish factions during the Maccabean revolt, this group did in fact support the revolt against Hellenistic influences and fought for religious freedom, endorsing the Maccabean leadership.
This means that out of the given options, the most accurate one based on the historical context provided would be (a) Embraced and supported it, assuming 'Hasidim' refers to the supporters of the Maccabean revolt rather than the later Hasidic movement. It's important to clarify this distinction to accurately answer the question.