It is possible and there are various ways to do so!
For example, ...
- Do charades so they can understand
- use G.oo.gle Translate and type what you'd like to say!
- find another language you all might have in common
- Find someone who speaks both of the languages so they can translate/interpret
- Learn a few keywords/phrases in the other language
If one gets lost and you don't know Indonesian, for example, then try the things listed above!
C. He persuaded the town's council members to reject the company's plan.
Explain: He knew that if the company drilled into the earth and made factories to get oil that it would damage the wildlife. He also knew that it would upset the farmers (which were 60% of the people in the town). So he talked to the council and they realized what an important decision this would be.
Hope this helps!
(it is all in the last paragraph if you need to look for it)