I believe the answer would be the second choice.
The correct answer would be the choice A
A. Declare economic warfare against Great Britain.
9. I believe is A. 10. I believe is C. And 11. I believe isD.
By February 1854, anti-slavery Whigs had begun meeting in the upper midwestern states to discuss the formation of a new party. One such meeting, in Wisconsin on March 20, 1854, is generally remembered as the founding meeting of the Republican Party. Hope I Helped! :)