About 46,000-51,000 people died.
The increased migration and increased population that the United States saw during (any) era are examples of "<span>c. demographic and environmental changes," since these have to do mainly with population distribution. </span>
The term "a bi-cameral legislature" refers to any lawmaking body of government that consists of two separate houses of chambers.
The biggest difference in this period in the spreading of this two groups was that the Jews were forcefully spread out from their homeland to mainly the European countries even though they didn't wanted that, while the Christians systematically forced their way into the European continent even though it was under fire for few hundred years and forbidden for practice.