The 1940 Census, when released, lists answers to several new questions never asked before including where they lived in 1935 and what was their income for the previous year.
The Research Log is very important for the time when you share you data or decide to publish your work. You will need to know your sources for obtaining each piece of information. Be VERY specific with your information quoting authors, titles, pages, publishers, etc.
[Sources & Evidence]
Naturalization is the process by which U.S. citizenship is granted to a foreign citizen or national after he or she fulfills the requirements established by Congress in the Immigration and Nationality Act (INA).
Birth Records can be difficult to obtain because they can be used for so many purposes. You may be required to provide proof of relationship and proof of the person's death.
Know your relationships: An ancestor is a person from whom you are descended. A descendant is a person who is descended from an ancestor. A relative is someone with whom you share a common ancestor but who is not in your direct line.