Answer:
Fact.
Explanation:
A proposition of fact is considered to be a statement in which the focus is primarily to make the audience (e.g arbitrator) believe in it as the truth of false.
In other words, a proposition of fact may deals basically on the existence or non existence, occurrence or non occurrence of something.
Hence, in this case, Since they were focusing on whether something did or did not happen, they were arguing a proposition of FACT.
He determined that the laws of physics are the same for all non-accelerating observers, and that the speed of light in a vacuum was independent of the motion of all observers.
The answer is A)<span>Providing a navy and military support</span>
This belief pushed the Native American more westward and more southward. this impacted them negatively because they were pushed off their land. the natives lived on the land before the Americans came.but the Americans went to war with the natives, trying to wipe them out to fulfill their "manifest destiny", and have a nation from sea to sea