All except for starting a violent political protest that’s illegal and not part of the the first amendment
One reason France sent explorers to North America in the early 1500s was to gauge the value of the land, the resources the land had as well as the hostility of the local tribes.
What is more, the main goal was to find gold in those lands, due to the fact that, that was the purpose of almost all European powers at this time. Nevertheless, there was no gold to be found in North America.
It helped him come up with his famous theory of gravity and the laws of gravity.