which kind of investigations never include a hypothesis/experimental/systematic/ descriptive/comparative

How did the romanov dynasty increase russia's power? need many details, you!

The 6th amendment's guarantee of a speedy and public trial is aimed at a. deterring potential criminals by fear of swift and certain punishment. b. trying those accused of crimes without undue delay and avoiding secret trials. c. eliminating overcrowded dockets in the nation's criminal courts. d. preventing jurors from being unduly influenced by public opinion.

How has mexico's culture been shaped by cooperation among different people? be sure to name the groups involved in the cooperation, describe the cooperation, and explain how the cooperation shaped mexico's culture