Read the passage from "Introduction to the Holocaust." In the aftermath of the Holocaust, many of the survivors found shelter in displaced persons (DP) camps administered by the Allied powers. Between 1948 and 1951, almost 700,000 Jews emigrated to Israel, including 136,000 Jewish displaced persons from Europe. Other Jewish DPs emigrated to the United States and other nations. The last DP camp closed in 1957.

Which combination of text structures is used in this passage?

a. comparison-contrast and sequence
b. sequence and cause-effect
c. problem-solution and comparison-contrast
d. comparison-contrast and cause-effect