The following graph, depicting the foreign-born (immigrant) population in the United States (US) from 1850 to 2010, best supports which of the following conclusions?

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11ecba2d_0d56_cec9_a3bf_f72eb0eac9e4_MD0008_00 Immigration is the relocation of individuals into an area, whereas emigration is relocation out of an area. People tend to emigrate from less developed/poorer countries, immigrating to more developed/wealthier ones. Push factors (eg, unemployment, war) in the country of origin drive emigration, whereas pull factors (eg, job opportunities) in the receiving country attract people to immigrate. The size and demographic makeup of a population is determined by immigration/emigration rates, fertility (birth) rates, and mortality (death) rates. Fertility rates measure population increases due to births, whereas mortality rates measure population declines due to deaths. This graph displays the number of immigrants and the percentage of the total US population composed of immigrants from 1850 to 2010. From 1910 to 1930, the number of immigrants (graph bars) increased, whereas the percentage of immigrants in the overall US population (graph line) decreased, which would occur only if the native-born population increased faster than the foreign-born (immigrant) population. A fertility rate exceeding the immigration rate would produce this outcome. (Choice A) The graph does not provide information about either push or pull factors that influenced immigration to the US. (Choice C) From 1940 to 1970, there was a steady decline in the foreign-born percentage of the population, suggesting that the mortality rate of the foreign-born population may have increased (not decreased). (Choice D) From 1980 to 2010, the number and percentage of foreign-born in the population increased. Whether the parents are foreign-born or native-born, children born in the US are native-born, so it is not possible to determine from this graph whether the foreign-born fertility rate exceeded the native-born fertility rate. Educational objective: Migration patterns track the movement of people from one country to another. People tend to emigrate from (leave) poorer countries and immigrate (relocate) to wealthier countries. Push factors (eg, war) drive emigration, whereas pull factors (eg, economic opportunity) drive immigration. Migration, fertility (birth) rate, and mortality (death) rate impact the size and demographics of a population.

The Following Graph, Depicting the Foreign-Born (Immigrant) Population in the United