A colleague needs to collect descriptive data about his customer's attitudes. He has not done this type of research before. What research approach would you recommend to best suit this research project?

A survey

Explanation:

The best approach for this research would be a survey, a survey is a research method used in the collection of data from research subjects, this can be done with the aid of a well structured questionnaire, telephone calls, via mail or even a website with use of google form. Through this approach, necessary data about his customers attitude will be gotten with much ease.

your question is incomplete

explanation:

facts: the 14th amendment

the 14th amendment addresses citizenship rights and equal protection of the laws.

the 14th amendment was intended to protect the rights of former slaves after the american civil war.

the 14th amendment was approved by congress in june of 1866 and ratified by the states on july 9, 1868.

the 14th amendment establishes that all persons born in the united states are citizens and are guaranteed all the rights of citizenship.

the 14th amendment establishes that the law protects all citizens equally.

in this case the passage of the 14th amendment   that was violated was the last part in which it states that there is equal protection of the law.