The correct answer to this open question is the following.
Although there are no options attached we can say the following.
The measure that the Selective Service System take to address these criticisms of the draft in 1969 was the so-called lottery system in which the people were drafted randomly.
This draft process generated much discomfort and critics on the part of the young people being selected to go to the Vietnam War. The draft was held on December 1, 1969. The procedure was the following the Selective Service System managed two lotteries to choose the young men that would go to Vietnam. The United States decided to use this lottery system to conduct the draft. The last time a system like this was used was in 1942.