Slavery was abolished in the British Empire in 1833, thirty years before the Emancipation Proclamation in the United States. But even after they freed their slaves, the sugar plantation owners were desperate to find cheap labor to cut cane and process sugar. So the British owners looked to another part of the empire—India—and recruited thousands of men and women, who were given five-year contracts and a passage back. –Sugar Changed the World,
Marc Aronson and Marina Budhos

How is the text structured in this passage from the prologue?

It has a chronological structure because it connects major events in the production of sugar in the British Empire.
It has a cause-and-effect structure because it shows what led to the abolishment of involuntary servitude in the British Empire.
It has a problem-and-solution structure because it shows how the nations of the world solved issues related to slavery.
It has a compare-and-contrast structure because it describes how working on sugar plantations is similar to and different from working in factories