A worlds powerful country is termed as it is powerful in all department. It should rule the world
the most powerfull locomotive is soviet 2TE126
It is pakistan there skill full powerfull they have the top army
1. ethipia 2. somalia 3.erthria
That is something you will never know, and the words mos powerfull leaders will see to it.
USA
of course.....Pakistan
Germany
united state of America
Puppet state
U.S.A(united state of america)
It is China and America.
Britain, London, France, Italy etc