Answer:
That opinion was expressed by Thaddeus Stevens, a radical Republican.
Step-by-step explanation:
Stevens wrote this opinion in a letter he wrote to Andrew Johnson. In that letter he described how the union should act when the confederate states were reintroduced into national politics. For Stevens, the reconstruction was being done incorrectly, taking the blame off the Confederates and not establishing severe punishments for all the damage they did during the war. In addition, Stevens did not think it right that the president should lead the reconstruction guidelines, but that the legislative branch should do so, because that branch would have more legal and just bases to establish everything that should be done.