Which country was part of the black triangle?

Which best describes why it is necessary to evaluate a solution?

When were criminals first used to create a system to catch other criminals

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