How did King Leopold colonize the Congo? A. He hired Henry Morgan Stanley to force the local chiefs to sign treaties

B. He hired mercenaries and enslaved the population

C. He bought territory from the French

D. He worked closely with Dr. Livingstone to acquire precious resources
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Explanation:

On February 5, 1885, Belgian King Leopold II established the Congo Free State by brutally seizing the African landmass as his personal possession. ... The people of the Congo were forced to labor for valued resources, including rubber and ivory, to personally enrich Leopold.

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.

the fact that could also be added to column b is that during world war ii, specifically between the years 1941 and 1945, japan expanded its territory towards the indonesian territory in what was known later as part of the "pacific war". in that time, japan could conquer the philipines, singapore,   borneo, central java, malang, cebu, sumatra and various other islands of the area, therefore expanding its territory for a brief period of time.