Is this from a story if so need more information
Answer:
The Labor Party was an American social democratic political party advocating workers' interests. The party was formed in 1996 by the United Mine Workers, International Longshore and Warehouse Union, American Federation of Government Employees, California Nurses Association, and hundreds of other local labor unions.
<em>hope it helps:)</em>
"b. They opposed them by <span>charging that they were unconstitutional" is the best option since this group considered the acts to be a serious violation of their rights as citizens, even in times of war.</span>