Which statement best sums up the most important purpose of the text features in Into the Unknown? They make the text more interesting to read.

They tell readers what the main ideas of the text are.

They help readers visualize some of the central ideas of the text.

The artistic style helps readers understand the time period.​

C They help readers visualize some of the central ideas of the text.

The American Civil War was far longer and more destructive than virtually anyone expected. At the outset of the war, many eager volunteers signed 90-day papers, evidence of the widespread belief that the war would be brief and nearly bloodless. Instead, the struggle stretched nearly four full years.

Explanation: