Assess the credablity of the source make sure it's not bias and has strong examples and stats. Use the Craap test.
Answer:
the start of the Industrial Revolution
Explanation:
By the time of the Industrial Revolution, there were more people than ever before. A main reason for this was 18th century agricultural improvements, which all but ended the periodic famines that had kept down European populations. From 1750 to 1850, the population of England alone nearly tripled.
The answer is D. Africans were generally able to hide from or defend themselves against Europeans.