The answer is A they <span>perform scientific experiments to test it.</span>
Britain gave out the proclamation of 1763 which banned colonists from going west to the Appalachian mountains and into the Indian territory because Britain did not want to start another costly war
On June 29, 1892, workers belonging to the Amalgamated Association of Iron and Steel Workers struck the Carnegie Steel Company at Homestead, Pa. to protest a proposed wage cut. ... The Homestead strike led to a serious weakening of unionism in the steel industry until the 1930s.
Answer:
Explanation: the Roman Empire was long-lived for many reasons, some of which being new laws and engineering, military potency, and social legislation to combat political fragmentation along with exceptional leaders.