How is this map different from a typical map of the united states? what do the new names on the map have in common?
how do you think this map influenced and established immigrants who saw it in the 1860s?

It's not really a map - it's a political cartoon. I'm not sure EXACTLY it's meaning, but I'm pretty sure it's taking a jab at immigrants for coming to the US at the time, about how they'll change the way of life the whites had at the time (their fear at the time, btw).

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation:

affirmative action refers to the policies that take gender, race, or ethnicity into account in order to promote equal opportunity.

employers subject to title vii are prohibited from taking race or sex into account in any employment decisions. aa is a penalty for having any job group substantially statistically "underutilized" in any race or either sex. the employer must take steps to eliminate the underutilization, then stop, ending its aa efforts