Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Name | Date of birth | Actual rank | Appointment date | Allegiance |
| --- | --- | --- | --- | --- |
| John Garland | 1792 | Colonel 8th U.S. Infantry | May 7, 1849 | U.S.A. |
| William S. Harney | August 27, 1800 | Brigadier General | June 14, 1858 | U.S.A. |
| Albert S. Johnston | February 2, 1803 | Colonel | May 1855 | C.S.A. |
| Winfield Scott | June 13, 1786 | Major General | June 25, 1841 | U.S.A |
| Edwin V. Sumner | January 30, 1797 | Brigadier General | March 16, 1861 | U.S.A. |
| David E. Twiggs | 1790 | Brigadier General | June 30, 1846 | C.S.A. |
| John E. Wool | February 29, 1784 | Brigadier General | June 25, 1841 | U.S.A. |
Question:
Who did Winfield Scott have an allegiance with?
Answer:
U.S.A