Complex sentence: Underwood's court confiscated more Confederate property than any other in the nation, and although Congress had stated its intention that confiscation only punish supporters of the rebellion and not their heirs, Underwood sought to eliminate the slaveholding class.
Split into simpler sentences: Underwood's court confiscated more Confederate property than any other in the nation. Although Congress had stated its intention that confiscation only punish supporters of the rebellion and not their heirs, Underwood sought to eliminate the slaveholding class.