How did Vespasian reform the Roman army and taxation system?

Vespasian implemented significant reforms to stabilize the Roman state following the financial and military turmoil of the civil wars in 68–69 CE.

Military Reforms

Vespasian’s primary military objective was to restore discipline and secure the frontiers. His actions included:
* Restructuring the Guard: He reduced the size of the Praetorian Guard, which had been significantly enlarged by his predecessor, Vitellius.1
* Regrouping Legions: He relocated legions that had supported Vitellius to remove them from sensitive positions.1
* Strategic Reorganization: In the East, he replaced a single army in Syria with three separate armies stationed in Cappadocia, Syria, and Judaea to better manage regional security.1
* Frontier Expansion: He oversaw the improvement of frontiers in southern Germany and Britain, where he expanded Roman control into the Scottish Highlands.1

Taxation and Financial Reforms

To address the massive deficit left by Nero and the civil wars, Vespasian aggressively pursued new revenue:
* Increased Levies: He increased, and sometimes doubled, provincial taxation and revoked existing tax immunities for various cities and provinces.1
* New Revenue Streams: He reclaimed public land from squatters and diverted the tax previously paid by Jews of the Diaspora to the Temple at Jerusalem into the Roman treasury.1
* Administrative Expansion: As censors in 73 CE, Vespasian and his son Titus granted Latin rights to all of Spain. This allowed city magistrates to obtain Roman citizenship, which generated additional profit for the imperial treasury.1