The president cant do all of these things
1. declare war
2. pass laws
3. veto a bill over the majority of congress
4. overturn past supreme court decisions
hope this helps
Because of the german refuse too stop the submarines restriction policy which kept blowing up our ships.
The United States did not sign the Treaty of Versailles because two groups of U.S. senators opposed some of the treaty's conditions and prevented the Senate from acquiring the two-thirds majority vote needed for its passage. One of their main objections was that the treaty compromised U.S. autonomy.
