I think you might mean International Conference on Population and Development
This conference focused on many issues, such as introduction, reproduction and hearth. From the options provided the closest is "overpopulation" - c. The other options were not covered in the conference.
C. French defeats in Haiti ruined Napoleon's plan to build an empire in America.
Napoleon decided that holding a empire outside Europe would be too costly, drain too much resources and spread his troops out too much. He decided to drop most of the colonies & sell the Louisiana to the US not only as to be able to have more money to fund his wars, but also to give the UK a rival for the future.
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Answer:
it has a two party system
Explanation:
there are 2 major parties in the USA which are the Democrats and the Republicans
I believe the answer is: Predict the outcomes of experiments before they are told the actual results.
By making them predicting the outcome of the experiment, dr. donelian would expose them with the fact that their prediction would often be wrong. After experiencing this, the students would no longer see the experiment as 'documenting the obvious'