Even O'Sullivan himself talked about Manifest Destiny in broad terms before he coined that particular phrase: "The expansive future is our arena," he wrote in 1839.
During times of civic unrest such as riots, the national government can summon the national guard to its help if it thinks that the local forces cannot stop it or if the riots are going out of hand.
Henry ford created the ASSEMBLY LINE to make it faster and more affordable for the common person to buy.
Answer:
Isolationists are people or areas who want to remain only in domestic affairs. Interventionists are people or areas who want to be involved in foreign and domestic affairs.
Explanation:
If you need an explanation just lemme know!