What is the name of the agreement that laid the foundation for a limited monarchy in England?

texas governor sam houston opposed secession, but was unable to prevent it. in this speech, given prior to lincoln's election, he presents the argument that slavery would be safer within the united states than outside of it. it was a prescient argument, and one held by several other southern leaders.

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i think it's b or c hope this

the first question's answer is a.

i honestly have no idea