The primary effect of the policy of internment was : The IRA forces was weakened
The internment policy
Internment policy was made to weaken the forces of the IRA and also reduce their attacks also to prevent loyalist backlash. The internment policy was signed into law by Franklin Roosevelt during world war II. th policy was made reduce the IRA forces.
Hence we can conclude that The primary effect of the policy of internment was The IRA forces was weakened.
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