<Tr> <Td> <Ul> <Li> Hung parliament </Li> <Li> Confidence and supply </Li> <Li> Minority government </Li> <Li> Rainbow coalition </Li> <Li> Grand coalition </Li> <Li> Full coalition </Li> </Ul> <Ul> <Li> National unity government </Li> <Li> Majority government </Li> </Ul> </Td> </Tr> <Ul> <Li> Hung parliament </Li> <Li> Confidence and supply </Li> <Li> Minority government </Li> <Li> Rainbow coalition </Li> <Li> Grand coalition </Li> <Li> Full coalition </Li> </Ul> <Li> Confidence and supply </Li> <Ul> <Li> National unity government </Li> <Li> Majority government </Li> </Ul>

When did the american two party system begin