Possible Clues:

• Poe's got to adopt and employ this
• Embrace foresight on the river
• Advocate, as a cause
• Hold, as a tenet
• 'E, your husband, is the one to give your support to
• Adopt the cause and see about the soup
• Take up a cause
• Sweetheart and wife meet - help!
• Take in marriage
• Poe's confused to make use of this and embrace it