Trade can vastly impact a country's infrastructure. For instance, if a country can become profitable from farming, they will alter their infrastructure to land clearing and irrigation.
"Worst" is a matter of opinion, but probably North Korea.
Kenya
Translvainia
I know it's the #1 worst country in Europe for H1N1.
infrastructure means all kind of construction activities which helps a country to grow its economy
No, it's just that Osama bin Laden is hiding out there. The worst country is North Korea.
No
Israel
france
japan
Japan