"Arms Race"
An "arms race".
IR is called an "arms race".
RussiaUS
As the category for this question is "Nuclear weapons", I'm presuming it refers to nuclear arms.As of 2012, the three countries with the largest stockpiles of nuclear weapons are, in order from most to least:RussiaUnited StatesFrance
America has the most nuclear weapons
126 Countries The most known is of course Russia (earlier sovjet) and USA :-) You probable mean Bio-Chemical weapons ;-)
Most did their own independent development.
Most countries have zero nuclear weapons.
Chemical weapons and DDT.
nuclear arms race.
A nuclear arms race.
they dont make their own weapons they just buy them of other countries but most likely ak-47 is the most popular weapon in peru