What was one of the cause of labor strikes in 1919

The correct answer to this open question is the following.

One of the causes of Labor strikes in 1919 was low wages, difficult conditions in the workplace, and long hours.

In 1919, the American Federation of Labor went on strike against the US Steel company. Other unions did the same to fight against the many injustices workers lived. Unfortunately for the unions, the strikes did not have the wished effect.

according to the map, most industrialization in europe occurred in the northwest.

the production of coal and lignite deposits was profitable throughout western europe.

the building of railroads transport goods throughout europe.

according to the map, the population trend indicates that more people are moving into cities.

northwest

coal and lignite depostis

railroads

cities