What is north america’s longest glacier

Which groups of people most directly benefited from song innovations in the song dynasty‘s open border policy?

What were some characteristics of the yamato culture select all that apply a. it was a very weak empire with little knowledge of trade b. it believed its people were descended from kami the sun goddess c. it allowed woman to hold positions of power d. it developed technologies that improved life and increased trade e. its leader tokugawa brought peace to japan

Why would someone who is studying the history or culture of this time. find this text interesting important or useful?