Answer:
A German u boat sunk an American cargo boat
Explanation:
The limits of genomic testing are connected with tracking the possibilities of developing a certain disease. It used to be believed that genes were the most importan responsible factors for causing self-immune diseases, but now it has been prooved that the environment, bad habits and nourishing, among other factors, play a more important role in that aspect.
The effect is that they had to rebuild all the things to make a town again.
