Effected means executed, produced, or brought about. For example, The dictatorial regime quickly effected changes to the constitution that restricted the freedom of the people.

On the other hand, affected means made an impact on. It is the past tense of the verb form of affect, which means to impact. For example, Carbon di-oxide emissions affected the environment.

So we can say that "The dictatorial regime quickly effected changes to the constitution that affected the freedom of the people."

See also: Affect vs Effect

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Affected

Effected

Meaning "Affected" means "impacted, created an effect on, changed in a certain way." "Effected" means "executed, brought about, produced something."
Example The BP oil spill adversely affected marine wildlife in the Gulf of Mexico and surrounding areas. After the BP oil spill, the government effected (brought about, executed) sweeping environmental regulation.

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While something that already exists can be affected, things which can be effected must usually be brought into existence.


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"Affected vs Effected." Diffen.com. Diffen LLC, n.d. Web. 24 Aug 2015. < >