These ships were called Clipper ships. They were small, fast and highly maneuverable ships. They did not have a great amount of longevity and lasted for a maximum period of two decades. They were later scrapped. These ships were used to carry precious cargoes like silk, tea from other countries.
The French Revolution was a necessary event which lead to positive impacts is correct
As It overthrowed the king(as that king didn’t cared about the common people or the people belonging to the third estate in the France) the king was Louis XVI
Also it helped to overthrow he the estates system in the France.
It also helped to free slaves
Hope I helps you!