The Lincoln-Douglas debates occurred during

the House election of 1854.

the presidential election of 1856.

the Senate election of 1858.

the presidential election of 1860.

where is the passage?

can't without the passage.

post the full question.

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. 

d. william mckinley's southern upbringing him win.