Who forced payments to the Romans from conquered areas usually in grains?

Conquered territories had to pay Rome a tribute or a tax. This could either be in the form of money and goods or in the form of recruits for the army and in some cases, both.

Conquered territories had to pay Rome a tribute or a tax. This could either be in the form of money and goods or in the form of recruits for the army and in some cases, both.

Conquered territories had to pay Rome a tribute or a tax. This could either be in the form of money and goods or in the form of recruits for the army and in some cases, both.

Conquered territories had to pay Rome a tribute or a tax. This could either be in the form of money and goods or in the form of recruits for the army and in some cases, both.

Conquered territories had to pay Rome a tribute or a tax. This could either be in the form of money and goods or in the form of recruits for the army and in some cases, both.

Conquered territories had to pay Rome a tribute or a tax. This could either be in the form of money and goods or in the form of recruits for the army and in some cases, both.

Conquered territories had to pay Rome a tribute or a tax. This could either be in the form of money and goods or in the form of recruits for the army and in some cases, both.

Conquered territories had to pay Rome a tribute or a tax. This could either be in the form of money and goods or in the form of recruits for the army and in some cases, both.

Conquered territories had to pay Rome a tribute or a tax. This could either be in the form of money and goods or in the form of recruits for the army and in some cases, both.