In the 1950s and 1960s it was always the US that had more.
US had up to an order of magnitude more nuclear weapons (or more) than USSR at all times in the 1950s.
The Strong Nuclear Force.
No. The electric force, the strong nuclear force, and the electroweak force are all stronger than gravity.
Without a doubt, the US. This was true from 1945 until the mid-1980s, when the USSR passed the US. Russia still has the most today.
Strong force
strong force
gravitational force electrostatic force weak nuclear force strong nuclear force
Germany has the powerful armies as well, India has one of strongest soldiers also as well, Russia has an extremely powerful air force, Great Britain has the most powerful navy in the World, Japan has the greatest army people with powerful weapons, France also has an extremely powerful nuclear weapons as well, The United States of America has an incredibly powerful military with nuclear weapons, China has super powerful military soldiers as also known to be strong enough, Canada has an extremely powerful air force and nuclear weapons, Australia has one the greatest army to defeat other country, Italy has the greatest navy and lot stronger than any other country.
gravitational force electrostatic force weak nuclear force strong nuclear force
-- gravity -- electrostatic force -- weak nuclear force -- strong nuclear force
The electron(s) in the 1s sublevel will always experience the greatest force, because they are always the closest and the force increases as the distance decreases.