US Republican John McCain confused afterpiece to his party's presidential choice afterwards Super Tuesday's polls, while the Democratic chase backward cautiously balanced.
Mr McCain won the big states of California and New York, although Mike Huckabee did bigger than expected.
For the Democrats, Hillary Clinton won in New York and California, but battling Barack Obama additionally did able-bodied by acceptable in 13 states.
It was the better day in the chase to aces candidates in November's election.
Mr McCain's assets actively blood-soaked his capital rival, Mitt Romney, the BBC's James Coomerasamy in Washington says.
Mr McCain additionally won in Illinois, Oklahoma, New Jersey, Missouri, Connecticut, Delaware, and his home accompaniment of Arizona.
In abounding Republican races, the champ takes all the accompaniment assembly to the civic affair convention. New York abandoned comes with 87 delegates.
The Democratic chase was as bound as forecast, although Mrs Clinton is advanced in the two better prizes.
In New York, her home state, she captured about 57% of votes to Mr Obama's 40%.
In California, with best precincts counted, Mrs Clinton had won 52% of Democratic votes and Mr Obama about 41%.
Mrs Clinton additionally took Massachusetts and New Jersey, and able-bodied as southern, rural states such as Oklahoma, Tennessee and Arkansas.
But Mr Obama took a greater cardinal of states than Ms Clinton, including Georgia and his home accompaniment of Illinois - both big states.
He additionally agitated Utah, North Dakota, Alabama, Delaware, Connecticut, Kansas, Colorado and Minnesota.
Mr Obama told supporters: "We don't charge the final after-effects to apperceive our time has come." In agreement of assembly captured, Mrs Clinton was alone hardly advanced of the Illinois agent - beneath the Democrats' arrangement of proportional distribution.
'All the way'
Overall, voters were allotment 42% of those assembly on Super Tuesday.
In anniversary state's primary or caucus, acknowledged candidates are awarded assembly who formally accept the party's appointee at the civic assemblage in six months' time.
Among Mr McCain's supporters at the Biltmore Hotel in Phoenix, Arizona, there was a affection of astronomic optimism, said the BBC's David Willis.
"We charge get acclimated to the abstraction that we are the Republican Affair beloved for the admiral of the United States," Mr McCain told supporters.
However it was Mr Huckabee who took the aboriginal accompaniment to advertise a result, West Virginia. Overall, he went on to abash the polls, which had put him in a abroad third, and came not far abaft Mr Romney.
He won beyond the south, in Arkansas, area he acclimated to be governor, as able-bodied as Alabama, Georgia and Tennessee.
"We are still on our anxiety and abundant to the admiration of abounding we are accepting there folks," he told supporters in Arkansas.
Mr Romney won in Colorado, North Dakota, Massachusetts, Minnesota, Montana, Alaska and Utah.
The above Massachusetts governor said he was not about to bead out of the chase and was "going all the way to the White House".