What does the distinction of “black slaves” tell you about the institution of slavery?

Why did the fighting go on after the armistice was signed

Soon-yi's house has a hexagonal window made up of six identical equilateral triangles as pictured below.

How was the method of making pottery by using coils of clay better than simply shaping the clay by hand? it prevented pottery from cracking when fired. it created a watertight seal. it produced more attractive pottery. the pottery could be cut or stamped with designs.