He abandoned the secretive nature of the union.
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.
Answer #1 - Quinine from cinchona tree bark helped cured malaria, a tropical disease.
Answer #2 - Mixim Gun and the Repeating Rifle.
I think the answer would be railroads. They increased speed of travel, decreased the cost of goods, & connected countries.
Answer:
b. exhibited a critical attitude toward his sources but Herodotus did not
Explanation:
Herodotus based his explanations of human events on the will of the gods, besides having poor analytical rigor. His successor, Thucydides, excludes all religious aspects and seeks a purely rational explanation, with a rigorous examination of the sources. He had strict procedures for gathering evidence and its analysis in terms of cause and effect without reference to the intervention of gods.
