Explanation:
In response to Pontiac's Rebellion, a revolt of Native Americans led by Pontiac, an Ottawa chief, King George III declared all lands west of the Appalachian Divide off-limits to colonial settlers. This royal proclamation, issued on October 7, 1763, closed down colonial expansion westward beyond Appalachia.Sep
Answer: neo-isolationists want to stay out of world affairs (a is correct).
Explanation: USA entered world politics (i.e. not only hemispheric politics) in Spanish-American world (McKinley and Theodore Roosevelt) which continued during the First World War (USA was one of Allies waging the War against Italy, Germany and Austro-Hungarian Empire). After the First World War USA decided for politics of isolationism. Situation changed during F.D.Roosevelt´s presidency (1941 Pearl Harbor). Since then USA are crucial super power in terms of world order. During the WW I a WW II term "isolationism" referred to European affairs. Today it refers to world affairs.
I believe the answer is professionalism.
Professionalism would also be translated as a set of skills that expected from someone at a certain job position.
In order to obtain those set of skills, Experiences and formal training are the most crucial factors to have.<span />
By reading and through context, my guess would be through integration.