New Zealand became the first team to book their place in the the Women's World Cup semi-finals after crushing Canada 48-5 in Dublin to finish top of Pool A.
The Black Ferns, four-time World Cup winners, recorded a third successive bonus-point victory, scoring eight tries to inflict a first defeat of the tournament on their opponents.
Prop Aldora Itunu led the way with a hat-trick, while there were also tries for Selica Winiata, Stacey Waaka, Kelly Brazier, Fiao'o Fa'amausili and Renee Wickliffe, with Brazier adding one conversion and scrum-half Kendra Cocksedge booting three.
In the other game in the pool, Wales recorded their first victory with a 39-15 win over tournament minnows Hong Kong.
Wales began brightly enough, claiming a 15th-minute lead when number eight Shona Powell-Hughes collected an opening touchdown, but Hong Kong rallied superbly, scoring their first World Cup points through an Adrienne Garvey penalty and then a Natasha Olson-Thorne try that Garvey converted.
Wales were stung into action, and finished the half strongly when wings Jess Kavanagh-Williams and Jasmine Joyce both scored tries - Jodie Evans added one conversion - to secure a 17-10 interval advantage.
Hong Kong then cut the deficit with a second try as wing Chong Ka Yan breached Wales' defence but the final 30 minutes belonged exclusively to Wales, who ran in four unanswered tries through Kavanagh-Williams, Carys Phillips and flanker Sioned Harries (2).
Marlie Packer led the charge with two tries as defending champions England swatted the USA aside 47-26 to book their place in the last four.
Emily Scarratt, Katy McLean, Amy Wilson-Hardy and Amy Cockayne all also claimed scores, with a penalty try rounding off another rout as Simon Middleton's side topped Pool B.
The USA scrambled a try bonus point in defeat however, thanks to scores from Kate Zackary, Cheta Emba, Naya Tapper and Kristen Thomas.
But England were not to be denied safe passage to the semi-finals in Belfast.
Spain claimed third place in the pool with a hard-fought 22-8 victory over winless Italy at the UCD Bowl.
Tries in the second half from Anne Fernadez, Iera Echebarria and Marina Bravogoes saw the Spanish finally break clear after the scores had been locked at 3-3 at the interval.
The influential Patricia Garcia kicked the first-half penalty and converted two of the tries. Italy, who had led early on with Michela Sillari's penalty, scored a late consolation touchdown through Sara Barattin.
