What is the central idea of the paragraph?
Another thing that changed very little in the years
between the wars was the means of obtaining military
intelligence. Although the use of photography and the
telegraph brought some technological advances, the craft
of spying on the enemy's army still relied on fieldwork.
For the most part, intelligence was gathered in simple
ways. Prisoners of war and deserters were interrogated.
The Union army was always interested in hearing what
runaway slaves had to report.
- The Dark Game,
Paul Janeczko
O Technological advances made a difference
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.

Read the excerpt from "save the redwoods."another, one of the finest in the grove, more than three hundred feet high, was skinned alive to a height of one hundred and sixteen feet from the ground and the bark sent to london to show how fine and big that calaveras tree was—as sensible a scheme as skinning our great men would be to prove their greatness.which  best  describes how the excerpt appeals to readers’ emotions? the excerpt provides facts about the tree, which impresses readers’ scientific minds.the excerpt describes how the tree traveled to london, which excites the readers’ sense of adventure.the excerpt compares the tree to a person, which makes readers feel sympathetic toward the tree.the excerpt explains how to skin a tree, which makes readers feel awed at the height of the tree.