Question

What is subsidiary alliance from trade to territory?

Answer 1

Under the system of "subsidiary alliance" Indian rulers were not allowed to have their independent armed forces.

They were to be protected by the Company, but had to pay for the "subsidiary forces" that the Company was supposed to maintain for the purpose of this protection.

If the rulers failed to make the payment, then part of their territory was taken away as penalty.

Answer 2

Hey mate the answer is

Britishers are the Supreme Power whichever state wanted to sign this Treaty had to accept the English as the supreme authority

giving to the territory if the Indian rulers failed to make payment part of that territories were taken away as penalty

hope it might help you