Where and when were heads sculpted out of stone like the one shown

6. how did trade with the venetians contribute to the fall of the byzantine empire?

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.

What happened to hudsons voyage east across the top of russia ?