Bias is another word for prejudice. It means a person has a preconcieved belief and this will taint/affect their point of view. Many scientists firmly believe in evolution, even though there is scant evidence. When presented with evidence that supports creation, they will use their bias and still cling to evolution.
A.. work was hard to find in the North
To join the allies in world war 2 and help Britain and Russia fight back the Germans.