Sumner was physically attacked by Brooks in Congress because ___________________ .
ASumner had attacked abolitionists in Congress.
CSumner had berated pro-slavery, popular sovereignty supporters.
BSumner supported the border ruffians in the Kansas Territory.
DSumner challenged the Fugitive Slave Act and angered pro-slavery supporters.
ASumner had attacked abolitionists in Congress.
CSumner had berated pro-slavery, popular sovereignty supporters.
BSumner supported the border ruffians in the Kansas Territory.
DSumner challenged the Fugitive Slave Act and angered pro-slavery supporters.