Which sentence uses dashes correctly?

Which of the following excerpt from part one of trifles suggest that mrs.hale believes mrs.wright may have had a motive for killing her husband?

Marvell's poem is in fact an argument consisting of three logically related points. in at least 150 words, identify each point and trace the speaker's argument from proposition to conclusion. you may find it to identify the transitional word or phrase that marks the beginning of each part of the argument. support your analysis of the argument with details from the poem.

How does this excerpt develop the central idea that espionage during the civil war was often carried out by untrained citizens? it enhances the reader’s understanding by explaining why training was unnecessary. it changes the reader’s perception of what information a spy was able to obtain. it explains an ordinary person’s motivation for conducting espionage against the enemy. it adds moral complexity to espionage, due to the use of secret and dangerous methods.