Answer: The society's program focused on purchasing and freeing slaves, paying their passage (and that of free blacks) to the west coast of Africa, and assisting them after their arrival there.
Explanation:
In 1821, after a failed colonizing attempt the previous year and protracted negotiations with local chiefs, the society acquired the Cape Mesurado area, subsequently the site of Monrovia, Liberia. Some saw colonization as a humanitarian effort and a means of ending slavery, but many antislavery advocates came to oppose the society, believing that its true intent was to drain off the best of the free black population and preserve the institution of slavery.
D. By posting a well trained army throughout the empire
They practiced subsistence farming to provide just enough food for themselves
B) spread of communist ideas :)
The Congress shall have Power ... To make all Laws which shall be necessary and proper for carrying into Execution the foregoing Powers, and all other Powers vested by this Constitution in the Government of the United States, or in any Department or Officer thereof.
b.) Denied powers