Complex sentence: In 1956, he gained national attention after his disapproval of the Southern Manifesto.Gore did voted against the Civil Rights Act of 1964, in fact filibustering against it, although he supported the Voting Rights Act of 1965.
Split into simpler sentences: In 1956, he gained national attention after his disapproval of the Southern Manifesto. However, Gore did not vote for the Civil Rights Act of 1964, in fact filibustering against it, although he supported the Voting Rights Act of 1965.