What is the main threat to horseshoe crabs in the Delaware Bay?

Delaware Bay's Horseshoe Crab population has declined by 90% over the last 15 years, mostly due to overharvesting and habitat degredation.

on december 1, 1774, the continental association was created to boycott all contact with british goods. by reversing the economic sanctions placed on the colonists, the delegates hoped britain would repeal its intolerable acts.

earlier philosophers whose work influenced the enlightenment included bacon, descartes, locke, and spinoza. the major figures of the enlightenment included beccaria, diderot, hume, kant, montesquieu, rousseau, adam smith, and voltaire. it spread the ideas of the enlightenment across europe and beyond.