Answer:
Moderate Republicans were appalled at Johnson's racism. They joined with the Radicals to overturn Johnson's Civil Rights Act veto. The Radicals hoped that the Civil Rights Act would lead to an active federal judiciary with courts enforcing rights. Congress then turned its attention to amending the Constitution.
I Believe the answer is: Strong
An argument could be considered as storng if the data at hand show strong correlation between the argument and the fact on field.
In this case, the <span> strong correlation between execution of criminals and the decrease in number of serious criminal behavior would support the argument that favor death penalty.</span>