Strangely, President Martin Van Buren stopped a possible invasion of Canada ... ...

Strangely, President Martin Van Buren stopped a possible invasion of Canada in 1838, but who, a month later, hailed the forcible transfer of the Cherokee Indian tribe to new lands in the West.
(A) in 1838, but who, a month later, hailed the forcible transfer
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in 10 Minute Writing