They didn't. As a matter of fact they have almost ceased to exist.
Some of the most successful Australian immigrants are:Frank LowyHarry TriguboffZhenya TsvetnenkoRichard PrattMaha SinnathambyJohn Hemmes
He was successful,due to his major part in the history of voice acting.
After the dissolution of the Federalist party, former federalists split into both Republicans and Democrats, but the majority became Republicans.
There was no exact year. In The 50s and early 60s the party's ideologies changed. Democrats were once rightist and Republicans were leftist. In the 50s and early 60s the ideologies changed drastically
Around the 1790's
become an Australian
If by Australian, you mean become an Australian citizen it is not a hard process. You have to have 2 years of residence in the country.
The only John Howard who is significant in Australian history is John Winston Howard, 25th Prime Minister of Australia.
anyone
Congress has become more evenly split between republicans and democrats.
By Americans
When the democrats and republicans stating giving away the store.