Differential treatment of interracial and intraracial sexual assaults continued even after passage of the fourteenth amendment, which outlawed explicit statutory racial discrimination, it is one of the post-Civil War amendments, and includes, among others, the Due Process Clause and the Equal Protection Clause, it was proposed on June 13, 1866, and ratified on July 9, 1868, the amendment provides a broad definition of national citizenship, which overrides the decision of Dred Scott v. Sandford (1857), which had excluded slaves and their descendants, from possessing constitutional rights,
Floating population<span> is a terminology used to describe a group of people who reside in a given </span>population<span> for a certain amount of time and for various reasons, but are not generally considered part of the official census count.</span>
Although all of the options are important factors to determine social movility, I beleive that one amongst them has more impact. Social class at birth makes a significant difference. It is like a stating point in life, some people start with some advantages (like being born in a wealthy and educated family) and other with disadvantages (being born in a poor family with no access to education).
Although race or ethnicity and gender are important too, they can have a stronger or weaker impact depending of your social class. A person that forms part of a minority, for example, african american, will have a very different life depending on the economic situation of the family.
It is true that hard work and education is also needed but, again, social class can lead you to a more familiar and direct contact with them.
The answer is State Department