I think the answer is B but I'm not sure sorry
There were multiple spaces where three multiple skeletons have been uncovered in a single grave in the past. When we find mass graves of skeletons from the past, this means we've likely found a place where people have been killed.
Articles of Confederation<span> (1781) This was the first governing document of the United States of America.</span>
INDUSTRIALIZATION URBANIZATION IMMIGRATION AND POLITICAL CORRUPTION