How did the Portuguese convince southern Indian princes to ally with them?(1 point)

Responses

They promised fair trade between the two parties. 
They promised fair trade between the two parties. 

They promised to aid the princes against other European powers.
They promised to aid the princes against other European powers.

They gave portions of land from other Portuguese colonies to the Indian princes. 
They gave portions of land from other Portuguese colonies to the Indian princes. 

They gave a portion of their trade earnings to the Indian princes. 

They gave a portion of their trade earnings to the Indian princes.