Answer:
A. limit free speech.
Explanation:
The first amendment of United States constitution protect the citizens' ability for "Free speech". This law was intended to give the citizens with the power to protest the government. But many people interpret it as the ability to say whatever they want to other people without consequences.
The "clear and present danger' test was devised by the Supreme Court. The consist of standards that law enforcement can follow to differentiate "Free speech" and assault.
As a general rule, If the speech that given by a person either threatening the welfare of individuals, disrupt public order, or agitating other individuals to be a target for attack, that speech would no longer be protected by the 1st amendment.
Archival research &a Oral history are two ways.
And then there is epistemology and historiography<span>.</span>
It maintained its borders and destroyed the threatening tribes.
It created other smaller industries. gave people more places to work because they had to sell, produce, and come up with the ideas of cars. it also gave people an easier way to get around. with cars that means that there are other company's being created. like oil company's, tire company's, etc.