The issue of policital leaders is covered extensively in the literature, so I will simply highlight a few key issues. First, ivory had important and widespread political meanings as a sign of authority and an item of tribute. This was frequently expressed in terms of rights to the "ground tusk:' the tusk from the side of the dead elephant that lay on the ground. Ivory had corresponding uses in regalia and displays of power, both material and ritual. Second, like the slave trade, the ivory trade strengthened some political leaders and systems, but more often and more significantly it provided new avenues to power and wealth for those lower in the political hierarchies or outside them altogether. In some of these new political arrangements, a complete monopoly on ivory was substituted for the older, partial one.