I think the answer is B. because i dont think so the length of side of a polygon will be negative. how can the polygon be negative sides? if you can draw it , it may be.
1. Harriet Tubman had escaped from Slavery but wanted to help her family members escape as well, after she helped her family, she continued to help bring other African American slaves to Pennsylvania (the north) where they would be free as well.
(Sorry this is only one that I'm sure of!! Good luck :-)!!! )