Ello m8!
The Bolksheviks were Russians, apart of the Marxist Russian Social Democratic Labour Party. It was also founded by Vladmir Lenin.
I hope this somehow helps you :D
If you have any questions, just comment and I'll respond ASAP.
The economic activity that was considered as profitable for
Spain and sometimes or often the most hazardous or dangerous for the workers is
mining. Spain has abundant reserves of uranium, lead, mercury, tungsten,
fluorspar, magnesite, sepiolite, gypsum,
nickel, iron, natural gas and crude oil. This is the reason why Spain is
considered profitable when they include mining as their economic activity.
However, the side effect of this activity
is that it is not safe for those who are working in the mine.
Christopher Columbus is the answer most likely to be correct but, there is an argument for Leaf Erikson
