What led to the formation of rome's republic

Romans overthrew their Etruscan conquerors in 509 B.C.E. Centered north of Rome

Explanation:

Once free, the Romans established a republic, a government in which citizens elected representatives to rule on their behalf.

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. 

a they donate money to humanitarian causes

c   they volunteer to alleviate suffering

d   they blame all muslims for not being able to keep their fellow muslims in line.