1.   Acknowledging the sacrifice of families on the big night, some companies have planned a party atmosphere at work and invited spouses and children to come along.

2.   But individual acts of homage are beginning to bring about a collective movement that acknowledges the sacrifices of the past and realizes the responsibilities of the present.

3.   Memorial Day is the holiday on which we look back and acknowledge the sacrifices others made on our behalf.

4.   The president acknowledged sacrifices by the international coalition that helped the United States in its campaign in Afghanistan after the September attacks.