The Helsinki Accords, Signed by Gerald Ford and Leaders of Thirty-Four

The Helsinki accords, signed by Gerald Ford and leaders of thirty-four other nations,

A) pledged signatories to guarantee certain basic human rights.
B) returned the western boundary of Poland to the pre-World War II line.
C) proved to many Americans that détente was still a two-way street.
D) served to undermine the tiny dissident movements in Eastern Europe.
E) accepted Soviet control of Eastern Europe.