It was called 'relief work' - the Great Depression had left so many people without jobs that governments employed them doing public works, including building roads.
Civil Works Administration
it took 90,000 workers to build it.
Be more specific idiot
20,000 workers
well first I would build house for the poor soldiers. Then I would get constructions workers to build lots of schools.
They were called Sodbusters. In the open Plains they lacked trees so they used sod to build their homes
The queen ant introduces the workers the new enironment they wish to build. So the queen ant designs a whole city structure she wants the workers to build, so she gets the plans the the workers and they build it, and adapt to it.!
To build railroads. Apex
a lot
Craftsmen, slaves, and workers.
About 70 years.
During World War 2 Mercedes Benz did not build cars. They built tanks, trucks, and aircraft engines. The German military took over control of Mercedes Benz during WW2. As skilled workers were needed to build military equiptment it is doubtful they used slave labor.