Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Severan dynasty:

"

During his campaigns Caracalla let her mother, who accompanied her son, to handle many official matters by correspondence and refer to him only major issues[2]: 17 . In 213 he campaigned against the Alamanni, and in 214 he fought with the Danubian Carpi[1]: 212 . Later he raised a Macedonian phalanx to emulate Alexander the Great, and marched through Asia and Syria to Alexandria, inviting mockery of many whom he executed[1]: 212 . During his reign he bestowed, for reasons not entirely clear, Roman citizenship to all non-slaves living within the borders of the empire[2]: 17 . The Baths of Caracalla in Rome are the most enduring monument of his rule[citation needed].