Region is a section of a country or continent. A period is a type of why to say a certain amount of time.
I think it's whom because it makes more scenes that way.
The nations who either had or wanted to have colonies in the New World or Africa wanted these colonies to bring them a massive amount of natural resources and riches, such as cotton, tobacco, gold, silver, etc--which were wildly profitable.
The correct option is: "OPPRESSIVE"
Friedrich Engels was a philosopher, sociologist, journalist, revolutionary and German socialist theoretician. Engels was the son of the owner of a major textile factory in Manchester, England. Friend and collaborator of Karl Marx, was coauthor with this works like The situation of the working class in England (1845) and the Manifesto of the Communist Party (1848), fundamental for the birth of Marxism and the socialist, communist and union. He was political leader of the First International (1864) and the Second International (1889). He also helped Marx financially to publish Capital in 1867, and after his death, he edited the second and third volumes. In addition, Engels organized the notes of Marx to compose Theories on surplus value, which he later published as "fourth volume" of Capital.
B) Executive Order
He federalized the national guard to enforce the law (Brown v. Board of Education).