Complex sentence: Traditionally viewed as a working-class area, Govan has been a hotbed of support for the Labour Party, but the Scottish National Party (SNP) is strong there as well and in 1973 won a by-election with Margo MacDonald as their candidate.
Split into simpler sentences: Traditionally viewed as a working-class area, Govan has typically supported the Labour Party, but the Scottish National Party (SNP) is strong there as well. In 1973 SNP won a by-election with Margo MacDonald as their candidate.