Macario scored her fourth and 5th dreams for the Americans to interrupt open a good battle and release the hosts' triumph inside the trophy-determining match at Frisco, Texas.
Iceland defeated the Czech Republic and New Zealand in previous fits at the same time as the Americans beat the Football Ferns and drew the Czechs, which means the United States women needed a victory to defend their title inside the round-robin occasion.
Macario opened the scoring in the thirty seventh minute when her left-footed blast from the corner of the penalty location banked in off the far post to the left of Iceland goalkeeper Sandra Siguroardottir.
In the 45th minute, a jogging Macario took a unfastened ball unguarded to the proper of the aim at the brink of the place and lofted a right-footed shot into the some distance facet of the goal to present the Americans a 2-zero half of-time lead.
Pugh delivered goals inside the 60th and 75th mins and Kristie Mewis netted any other inside the 88 to enhance the USA victory margin.
The US girls stretched their home soil unbeaten streak to 65 suits, along with fifty eight triumphs and 7 attracts.
They have saved 17 immediately domestic clean sheets on the grounds that closing surrendering a purpose in a three-1 win over Japan in 2020's She Believes Cup.
The Czechs and New Zealand performed to a aim-less draw in Wednesday's other match.
The She Believes Cup serves as a warm-up for the Americans, who will compete in a July qualifying match in Mexico for next 12 months's Women's World Cup and the 2024 Paris Olympics.
- Rebuilding believe -
