Answer:
It was originally used by Native Americans in religious ceremonies and for medical purposes. Early in tobacco's history, it was used as a cure-all remedy, for dressing wounds, reducing pain, and even for tooth aches. In the late 15th century, Christopher Columbus was given tobacco as a gift from the Native Americans.
Explanation:
President Johnson decided not to run for re-election. The country was divided over the issue of the Vietnam war.
If there is a general favor towards certain people, if he were to select otherwise, then people would think he was biased. This would result in a bad reputation towards him, with a worst case leading to him being impeached if the public sees enough corruption.