Battle of Midway, because we destroyed most of the Japanese Navy, sinking four of their aircraft carriers along with lots of other ships. Japan would never recover from this, allowing the US to mostly dominate the Pacific with our Navy.
There is the answer........
The legislative branch can impeach federal judges.
Serfs were laborers who were bound to their lords property, so though they worked the land, the land still belonged to the lord that they worked for.