Question: In 1962 the colonial authorities closed the border with China, but even this did not altogether stem the flow of The next arrivals were the Vietnamese boat people.
The Vietnamese people were looking for refuge from their home country.

Answer: it is not possible to tell

Question: He leant forward.
He leaned his body forward.

Answer: yes

Question: Could be he larned a lot what was no good.
He had found out what was bad.

Answer:
yes