Answer:
Abraham Gesner, geologist, author, chemist, inventor .
Explanation:
Gesner invented kerosene oil and, because of his patents for distilling bituminous material, was a founder of the modern Petroleum Industry.
Answer:
Explanation:
The early movement was inspired in the conception of just society, deriving from the ricardian labor, theory of value and from the republican ideals of the american revolution.
The most notable the national labor union, was the knight of labor,to improve the conditions of workers, abolition of child labor, equal pay for equal work, and political reforms including the graduated income tax.
Answer:
A. African slavery
Explanation:
Although we know that slavery was an important part of British Empire it was not a part of their system after 1830s. To be precise in 1833, British Empire prohibited slave trade inside their domain. This was in important change, that rearranged the position of the whole Empire.
