请教翻译断句

understanding the motivation needed to overcome adversities they faced can help to inspire modern-day explorers and scientists.

we can learning frome the failure of prohibition during the 1930's that it can be a mistake to legislate morality. And future generations might learn from the 1997 indictment of the tobacco industry that it is bad policy to trade off the well-being of consumers in order to scure profits.

those two view the current bilingual debate as purely a contemporary issue might bring to the debate a more enlightened viewpoint by appreciating this historical fact and the events that led to the treaty.

请大侠翻译一下，读了1一个小时了，我段不开句。

大家留句话也行