The Manas National park was central to the agitation of Assam in 1980s Fill in the blank ........

Explanation:

In 1980, the park has been central to the Bodoland agitation of Assam as the Bodos dominating the area took refuge in the sanctuary. Bodos have been demanding autonomy or a separate state of their own on grounds that their lands were incorporated into Assam during the British Raj.