Strikes in which two industries in 1946 threatened the economy of the united states?

There were many industries striking in 1946 due to decreased production following World War II.

The electric, steel, miners, and railroads worker all went on strike in addition to the meatpacking industry.

Wages had been frozen during the war but the war ending triggered strikes with people demanding higher wages. As price freezes were released workers saw an opportunity to also demand increased wages.