If we choose participants in such a way that our groups are not equal before the experiment, we have which of the following threats to internal validity? A. Selection
B. History
C. Testing
D. Maturation

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

4) what articles do you think a soldier would have in his “old kit bag”?

According to machiavelli what will happen to a leader when things go wrong and he is in need of support