The eastern neighbors had been converted to Christianity with the reign of the Byzantine Empire. Cyrillic alphabets were introduced and developed in the regions. Scientific knowledge were also transferred to the eastern neighbors during the Middle Ages.
A region conceived as "the Indian country" was specified in 1825 as all the land lying west of the Mississippi. Eventually, the Indian country or the Indian Territory would encompass the present states of Oklahoma, Kansas, Nebraska, and part of Iowa.
D is what i would put and i am pretty sure that is right because i remember it from history
This plan was proposed by the allies during WW2 to provide the effected European countries money from the USA that were destroyed by Germany to get some help using money to rebuilt their countries.