The U. S. entered the war on the side of

Explanation:

Under President Wood row won, the United States remained natural unit 1917 and then entered the war on the side of the Allied powers (the United Kingdom, France, and Russia).

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.