One year after the deepwater horizon oil spill, the biggest threat to the ocean ecosystem near the spill was from:

One year after the deep water horizon oil spill, the biggest threat to the ocean ecosystem near the spill was from the residual oil that reached to the ocean floors in a while after the oil spill incidence.

Explanation:

Once there is an occurrence of an oil spill in the ocean, it is practically impossible to completely clear the spilled oil from the ocean using the technologies available in today's date. The spilled oil gradually reacts with the saline water and breaks down into other chemicals. These chemicals reach the seafloor and make a long-lasting impact on the ecosystem.

It would be if we could see the map

The primarily goals of the zapatistas of mexico in 1994 were land reform and redistribution. it is also included in their demands to have a greater political and cultural autonomy for the indigenous people of chiapas and the rest of mexico.