President richard nixon pursued a policy of détente, the reduction in tension between the united states and the soviet union. salt, the strategic arms limitation treaty, was a part of this policy. under salt, the united states and the u. s.s. r. agreed to

a.
never use nuclear weapons in warfare against civilians.
b.
limit the number of nuclear weapons held by each country.
c.
destroy all of the nuclear weapons in each country.
d.
stop the development or production of all nuclear weapons.