Answers

2016-06-14T15:25:39+08:00
A combining, joining, or grouping together of nation, states, political groups.
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  • Brainly User
2016-06-14T15:33:42+08:00
In sets, union means joining the elements of all the given sets without repeating a given element.

Example:
A = {1,2,3,4,}
B = {1,3,5,7}

A ∪ B = {1,2,3,4,5,7}
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