<span>valuable resources such as oil, coffee, and cacao.</span>
It was due to the Sherman Anti-trust Bill. Under this bill, joining unions was illegal. Strangely this bill was created to prevent
the abuse of big business but it managed to prevent workers from creating or
joining unions at the time.
He wrote books based on his experience in World War 1
All depends on the situation. If need be they should be allowed to.