Why did congress impose a national speed limit of 55 miles per hour in the 1970s?

I’m annoyed but glad that my history teacher left and quit her job as a teacher to become a flight attendant

Why was hawaii so important to the united states & why did japan bomb pearl harbor?

The pullman strike resulted in eugene debs receiving a pardon for his involvement. the company losing very little money. the company rehiring workers that withdrew from the union. other companies handling strikes themselves instead of going to court.