I think
The power to go public, is the most important one
Two problems sailors faced before the 1400s was they did not have good ways of knowing where they were if they got beyond the sight of land. And 2 the maps were poor and the risk ships were to slow to mak long voyages
Structuralism used the practice of introspection to study consciousness.
Structuralism in psychology (also structural psychology) is a theory of consciousness developed by Wilhelm Wundt and his mentee Edward Bradford Titchener. This theory was challenged in the 20th century.
I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.
I'm pretty sure it's false because they didn't have factories in 1789 and when missions were built so ya I think it is false. Hope this helps! :D