Answer:
C
Explanation:
Density is equal to the ratio of mass and volume. Mass is the amount of matter or substance of a body and volume is the space occupied by it. Density is the unit amount of matter or substance contained in unit volume.
The migration is known as "<span>Za Chlebem", which in English language is translated as "For Bread".
As it is obvious from the name that this migration was in search of a better life, it mainly consisted those Polish immigrants who in Poland had no basics of lives neither did they own any land to support themselves.</span>