When is Labor Day in the United States？A．The first Monday of May.B．The first Monday of Sep

One out of every ten persons in the 1978 United States labor force was a teenager, compare

Membership in labor unions in the United States reached its peak of 17 millions members in

Thanksgiving Day is celebrated inA．Britain.B．Britain and the United States.C．the United St

When is Labor Day in U.S.A.？A．The first Monday of May.B．The first Monday of September.C．Th

In the United States, the Thanksgiving Day is the______Thursday of November.A．firstB．secon

In the United States, Thanksgiving Day is the______Thursday of November.A．firstB．secondC．t