How did the u. s relations with the soviet union change while ronald reagan was president of the united states?

He added a new, costly missile system, which the Soviet Union needed to counter in the military buildup

Explanation:

it is

a

asked for and recieved from the united states

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.