Corrections

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Text from victorkenny - English

Hello everybody, please can you tell me if it's correct ?
The main idea of the text is about the gun control in Colorado and the tragedies happened in this state .
President Obama is trying to control the use of guns in Colorado to avoid tragedies , such as those that happened in Denver and Columbine .

Title
- Hello everybody, please can you tell me if it's correct ?
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- ADD a NEW CORRECTION! - Title
Sentence 1
- The main idea of the text is about the gun control in Colorado and the tragedies happened in this state .
  Vote now!
- ADD a NEW CORRECTION! - Sentence 1
Sentence 2
- President Obama is trying to control the use of guns in Colorado to avoid tragedies , such as those that happened in Denver and Columbine .
  Vote now!
- ADD a NEW CORRECTION! - Sentence 2