When the International Slave Trade Was Officially Ended in 1808

question 46

Multiple Choice

When the international slave trade was officially ended in 1808, slavery

• A) came to an end.
• B) expanded as more territory for growing cash crops became available.
• C) gradually declined over the next five decades as the population died out.
• D) expanded as increasing numbers of northern merchants purchased slaves.

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Definitions:

Double-Blind Experiment

A study or experiment in which neither the participants nor the researchers know who is receiving a particular treatment, in order to prevent bias.

Observational Study

A research method in which subjects are observed in their natural environment without any manipulation by the researcher.

Matched Pairs Experiment

A study design in which subjects are paired based on certain characteristics, with one subject in each pair receiving the treatment and the other serving as a control.

Observational Study

A study in which the researcher observes and records information on subjects without influencing the study outcome.