That's interesting. In the US, asking for marital status or religion could cause an employer to be accused of discrimination. Most employers don't ask about anything that could be considered discriminatory (age, whether you have children, etc.) because although it's not illegal to ask, you could be accused of not hiring the person for that reason, which is illegal. You could just have found a better candidate, but the person not chosen can find a lawyer to say it was because they were purple religion, for example, and not because their skills didn't match up. So those things definitely do not go on a resume.
The statement for minorities being encouraged to apply is to promote diversity and show they are an equal opportunity employer who does not discriminate.
I also don't put references on my resume. A lot of jobs are online now and some places ask for them up front, but not all. It's often difficult to do reference checks (again, companies fear getting sued for slander even if what they say is factual) so most employers I've worked for (insurance industry) will only confirm date of hire, separation date, title, and salary. "Just the facts." If you are lucky, they might tell you if they are eligible for rehire, which is a clue as to whether the person left on good terms. So, a lot of big companies now do background checks instead of reference checks (again, in my experience.)