There are different interpretations of evolution.Geology shows that fossils are of different ages. Paleontology shows a fossil sequence, the list of species representing changes through time. Taxonomy and DNA shows biological relationships among species. Evolution is the explanation that threads it all together.
Creationism is the practice of squeezing ones eyes shut and wailing Does not!"
Intelligent Design is a Christian belief not based on science.
The US is basically a Christian nation economically and politically.