There are tons of antonyms for credible out there, but really good ones include deceptive, dishonest, undependable, unreasonable, etc...
Hope this helped!!!!!
Answer:
A- Views on slavery
Explanation:
Davis believed that he was superior to blacks, meanwhile Lincoln believed that slavery was wrong and should be abolished.
The First Europeans. The first Europeans to arrive in North America -- at least the first for whom there is solid evidence -- were Norse, traveling west from Greenland, where Erik the Red had founded a settlement around the year 985.