I believe the answer is: c understanding constancy and change throughout the lifespan.
In social settings, developmental science research is being done by observing the change that the subjects experience if being put at a certain time of environment over time. Example of its research would be finding out whether there is a correlation between parents income with performance throughout school years.
<u>The new Amsterdam a strong colony:</u>
A good sea port enhances the whole economy in many different ways which eventually made New Amsterdam such a strong colony in the early years.
New Amsterdam which was established by Dutch colonisers is now named as New York City. This town was founded on the Manhattan Island as an optimal permanent settlement by the Dutch West India Company and was located on the Hudson River.
With the town situated on the banks of Hudson River and being an island it gained a powerful status with its port. The New Amsterdam was blessed with a good sea port to take care of the operations that were going on nearby without any fear of getting noticed.
