What inventions increased the necessity of slavery?

No inventions increased the necessity of slavery. In fact, many inventions, such as the cotton gin, actually made slavery less economically viable. The myth that inventions increased the need for slavery is a false narrative used to justify the institution of slavery.

Value of a 1909 svdb penny?

How much value does a 1941 copper penny have?

Exercises on the genocide in Rwanda, 1994 - with feedback
Question 01 - UNESP - 2007 - 1st day - From April to July 1994, in Rwanda, a country in central Africa, the worsening conflict between the Tutsi and Hutu ethnic groups culminated in the death of more than 800,000 people, many victims of machete blows. The genocide committed by fanatical groups, as s
Exercises on English Colonization
question 1 (PUC-RJ) The foundation of Virginia and New England, at the beginning of the 17th century, made England enter the colonial dispute in the New World. In the vast domains of the Iberian empires in the Americas, very diverse and complex societies were produced – for example, those of the V.
Exercises on Brazil's participation in World War I - with feedback
Question 01 - Mackenzie 2018 - Afternoon - “Neutral during most of the first three years of the conflict, a position aligned with that of the United States government, Brazil entered the war in 1917, using as official justification the attacks by German submarines on Brazilian merchant ships”. ://ww
Exercises on French Absolutism
question 1 (UFV-MG) The formation of the National States of Western Europe, during the Modern Period (15th to 18th centuries), although it followed its own dynamics in each country, presented similarities in its constitution process. About these similarities is incorrect affirm: politically, the e