If he was born in 1937 seven then he is 73 in 2016(Si él nació en 1937 siete entonces él es 73 en 2016)
Answer:
A clear conscience means a conscience void of the guilt of a wrong done. This simple meaning can be extended to both God and man. With a clear conscience, we can stand before God and men with no accusation coming to obstruct our relationship with them.
Their attitude/ beliefs would change in order for the discomfort feeling to reduce. So they might make it up by making another decision with a better outcome to make up for the previous poor decision.
Positive outcomes of the Columbian Exchange include technological advances in farming, architecture, and weaponry.