What provides direct access from one document or web page to another

Which excerpt from “the girl who silenced the world for five minutes” supports suzuki’s argument that she is “losing [her] future”? coming here today, i have no hidden agenda. losing my future is not like losing an election or a few points on the stock market. and now we hear about animals and plants going extinct every day – vanishing forever. i'm only a child, yet i know we are all in this together and should act as one single world towards one single goal.

Experiments were conducted to try to teach chimpanzees sign language

It is clearly expressed. what does that mean?