Answer:
elements can be grouped for better identification.
Immigrants, none of the people in america are pure american.
It could be argued that one of the main ways in which European culture flourished in the Middle Ages was that Monks took "center stage" when it came to studying things like mathematics and religion, and paved the way for many skilled artisans who would later emerge in the Renaissance.
Well, the Holocaust had a lot of impact. During the Holocaust, it is estimated that 24,000 jews died from the Nazi's control. It definitely impacted their population. It impacted how they live also. They could no longer live in peace, they had to hide or disguise themselves as Nazi followers. Hope this helped :)