Derrick, a member of a certain religion, writes a letter to the editor of his local newspaper insisting that Congress base all federal laws on his religion's principles. His private employer, EastWest, Inc., then fires him because of the content of the letter. EastWest has

violated Derrick's freedom of religion under the First Amendment only.

violated Derrick's freedom of speech under the First Amendment only.

violated Derrick's freedom of speech and his freedom of religion under the First Amendment.

violated neither Derrick's freedom of speech nor his freedom of religlon under the First Amendment.