Question

What is the central idea of the paragraph?

Technological advances made a difference in the craft of spying.
Interrogations are an important way to obtain information.
The Union army gathered stories from runaway slaves.
Intelligence was often gathered in simple ways, such as relying on fieldwork.

Answer 1

The answer is D

Step-by-step explanation:

Answer 2

Answer: D. Intelligence was often gathered in simple ways, such as relying on fieldwork.

Explanation:

I did the assignment on Ed.