Answer:
The Plebians and the military
Explanation:
He gave the soldiers estates for service in Rome and a great pension. He was known as a harsh critic of dishonest senators, that's why he had the support of the Plebeians.
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Active military intervention
<span>A) Merchants profited from his economic policies, which included high tariffs on foreign trade</span>
It was <span>A. King Ferdinand of Spain.</span>