Final answer:
Factories using child labor is an example of slavery according to Anti-Slavery International.
Step-by-step explanation:
An example of slavery, according to Anti-Slavery International, is factories using child labor.
Child labor is a form of slavery in which children are forced to work against their will, often in dangerous conditions and for little or no pay.
Child labor is considered morally unacceptable, and there are efforts to eliminate this practice and protect children's rights.