Answers

2016-02-22T10:29:06+05:30
United state has the first rank in the world
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2016-02-22T10:32:59+05:30
The most powerful country in the world is United States of America i.e. USA being at 1st and is followed by RUSSIA and CHINA being at 2nd and 3rd .
1 5 1
Hey plzz mark it as best...
powerful in terms of ?
Every thing , may be technology or in the terms of weapons or army/navy/ military forces etc. 
INDIA at 4th