I'm assuming you'ret talking about either WWII or WWI, but it's the same concept. They made sure everybody knew about it. Posters were everywhere letting people know about their fellow Americans in the war and to donate lots of money and supplies.
Hope this helps!!
In April 1952, Harry Truman nationalized the steel industry to prevent the workers' strike, that was scheduled to begin that month. It led to the famous Steel Seizure Case, the first case in the U.S. court history to limit the power and entitlements of the president of America. The jury took a stand that the president doesn't hold it in his power to interfere with private property.
The Louisiana Purchase treaty is an important document in the study of Manifest Destiny because it shows the extent to which the United States was claiming land westward.