The Spanish-American war ended in 1898 with the winning of the US army.
The winning made Spanish army give up some territories, such as Cuba, Guam, Puerto Rico and Philippines. In that time the United States made the independence the state of Hawaii.
This made US establish a predominance in Caribbean region and following the strategic economic steps in Asia.
The argument where it states that [the progressives’ successful breach into the U.S. Supreme Court’s “liberty of contract” doctrine came at significant cost] can be witnessed during 1917, wherein during that time, thirty states had limited the working hours of female workers.