Answer:
Ronald Reagan was the least effective president of the 20th
century.
Explanation:
It doesn't give a reason to why he is the least effective, it simply says it with no other facts. The others are all true, I looked them up.
Hopefully this helped :)
They would be put into room to be sorted between “healthy and able to work” and “undesirable for work”. Those who were healthy and able, would be taken to another room to possibly shower and get their uniforms. Those who were undesired would be taken to gas chambers or would get shot.