<em>The goal of explaining why the majority of Indians stayed in the colonies </em>is the goal the passage addresses.
" ....it offered a new life ..... the authorities began to make a new offer to Indian workers...." The indians could get a small plot of land , if they grew sugar there.
What about them ? Did you mean to post more or add a picture ?
I need more information but I hope all is well! (:
Since an antonym is an opposite, like a synonym is a similar word, the opposite of aggressive would be meek.