Which of the following statements best describes migration in the 20th century?
a.
large numbers of people moved to foreign colonies during the 20th century.
b.
migration during the 20th century was purely for economic opportunity.
c.
migration during the 20th century was influenced by several factors, including war and politics, urbanization, and economic opportunities.
d.
migration in the 20th century was influenced by european imperialism.

The best answer that decides immigration in the 20th century would be answer C

The carrect answer is c 

Amath expression is a collection of one or more terms, which are separated by the signs ( + , - , x , / ).example :   8+b8+b  or  a−3a−3in algebra, an equation is a mathematical statement with two expressions where, each expression is separated by an equal (=) sign. variables can be present on both the sides of the equality (=) sign and we use letters to denote such variables.example 1:   x=4+2x=4+2  , [here, we can observe that the variable is present only on one side of the equation].example 2:   2x+3=x+42x+3=x+4  , [here, we can observe that the variables are present on both side of the equation].

Answermaritime tropical;