If you are referring to the United States government, then the answer you are looking for is the legislative branch.
The best answer is, to the rise of totalitarian regimes in some countries.
A surge of totalitarianism could be expected in some European states following the political, social, and economic chaos of World War I and the Great Depression. Totalitarian regimes flourished in countries where fascism and communism were popular, including Germany, Italy, and the Russian Empire. Many leaders used the state's total control of economy and society associated with totalitarianism to address issues of their time which included job shortages, insufficient industry, or even foodstuffs depending on the region.
Critics claimed political machines made government less fair because the machines : Ignored the spoils system
Not only that, political machines also make the special interest groups to be heard rather than the people
hope this helps
SO many different battles did not occur in world war 2 your going to have to be a bit specific
