20. What event prompted the emigration of the “boat people” from Vietnam in the late 1970s?
A) the United States–Vietnam War
B) the Vietnam–China conflict
C) food shortages due to floods
D) food shortages due to collectivization
21. Which of the following migration patterns is described in the text as the result of the breakup of the Soviet
Union?
A) widespread displacement as populations seek refuge from post-Soviet conditions in all neighboring regions
B) migration back to home countries by populations displaced within the former Soviet Union
C) increasing numbers of labor migrants from East and South Asia into the states that were previously within the
Soviet Union
D) immigration of Western Europeans into former Soviet states due to economic pressure
22. According to the “lifeboat mentality,” __________.
A) people in a group should all have equal entitlements to resources available
B) already established immigrants should take responsibility for helping more recent and needy immigrant groups of
the same race or ethnicity
C) the number of people in a group should not be increased because it will reduce resources available to those
already in the group
D) the government should provide welfare benefits for the unemployed and poor
23. Which of the following is true of the situation of Palestinian refugees?
A) Most are internally displaced within the borders of Israel
B) Israel’s estimates of the number of refugees are less than other estimates of the population.
C) Arab countries are encouraging migration of Jewish residents of Arab to Israel to create a balanced exchange.
D) Lebanon has extended citizenship to refugees in that country.