I actually do not know the answer to this, But I believe That the People's Republic of China (Taiwan) Is not recognized by the united states as a sovereign entity because it is still a part of china, and is only allowed to go by that name as long as China allows it.
Answer:
C.) Great Britain ceded the Oregon Country to the United States to settle a dispute over boundaries.
Explanation:
After the civil war the expansion of the American territory began, in the decade of 1840 the Oregon Treaty was signed whose name is the "Treaty with Great Britain regarding the western limits of the Rocky Mountains" and the border between British and American sections of the "Oregon Territory". This had been occupied by the British and Americans since the Anglo-American convention of 1818 when it was accepted in the common domain of the region.
The treaty was negotiated by James Buchanan, the US Secretary of State and Richard Pakenham, the royal council member of Queen Victoria and special envoy of the queen.
B. George Childress
"George Childress, the committee chairman, is generally accepted as the author of the Texas Declaration of Independence, with little help from the other committee members."