Explain why hitler signed the nazi-soviet pact in august 1039

the right answer for the question that is being asked and shown above is that: "their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.  " the  participant in european imperialism is being described below is that  their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful. 

answer: the unlawful use of violence and intimidation, especially against civilians, in the pursuit of political aims.

explanation: