Identify the major GROUPS/NATIONALITIES that arrived at the Ellis Island(NY) and how were the immigrants TREATED as they arrived (inspection, detainment, etc.) in the late 1800’s to the early 1900 's.

the answer is b. hope this !

depending on what kind of map for example a pltical maps works in many ways this iss how it works it shows the areas and places the democratics and the repbulcicans reside for example if   texas chooses trump for president there a republican state and if   califronia chooses hillary there a democratic state.