The scientific method introduced a regular,systematic, reproducible investigation rather than opportunistic one. The hypothesis had to be clearly stated, which limited the chance of making a mistake due to unclear statement of hypothesis, and the methods had to be explicit and rigorously followed.
In short, it made the study of the natural world more organized and reliable.
A because Tom Brady said so
Be unbiased and fairly show/demonstrate all sides of the argument.
Learn about religion and discrimination against a religion