Congress thought President Lincoln was being to sincere and forgiving toward the Confederate side of the US (remember that they seceded from the Union and formed their own goverment which started the American Civil War).
Answer: Egyptians believed tombs would be the safest place in the kingdom and they also believed the dead enjoyed the materials in the afterlife
Explanation: Egyptians believed they would go to the afterlife but their body had to be preserved in order to go into the afterlife so with riches in the tomb they would go to the afterlife with all of the riches and would be in the afterlife rich like they were when they were alive