Final answer:
The clash between Congressman Brooks and Senator Sumner in 1856 revealed the importance of honor to southerners and highlighted the divisions over slavery in Congress. The correct answer is option b. and c.
Step-by-step explanation:
The clash and political fallout between Congressman Preston S. Brooks of South Carolina and Senator Charles Sumner of Massachusetts in 1856 revealed that:
• The importance of honor to southerners was highlighted, as Brooks felt compelled to defend his relative's honor by beating Sumner with a cane.
• Despite divisions over slavery, the House of Representatives and the Senate had different political compositions, and neither side could impose its will on the other.