Answer:
The reason was that people in the past considered slaves less than human. This can be seen in the 3/5ths compromise where a slave wasnt values equally to a white person.
Explanation:
Between racism and a fale belief that a race was superior to another giving rights to slaves was uncommon since as stated they were seen as less than human and hence not given the bare human rights everyone deserves
Muslim scholars were some of the most influential people to live because they contributed a lot to many fields that made understanding the world much more easier.
After the Muslims expanded out of Arabia and founded various empires, they facilitated learning and apart from building on what they learnt from the societies they conquered, they made their own discoveries.
<u>Some important Muslim scholars </u>and their contributions include:
- Jabir ibn Hayyan who contributed immensely to chemistry.
- Al-Zahrawi who pioneered many new techniques in surgery
- Muhammad ibn Musa al-Khwarizmi who made many contributions to math including in algebra
- Avicenna who came up with various medical treatments
In conclusion, the Muslims contributed to many fields including chemistry, math, medicine and geography. Their contribution to world history was therefore immense and significant.
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Portugal took the lead in the search to find the first all-water route to Asia. Being able to control trade with the Asia was very important to Portugal. <span>King John </span> was willing to spend as much money as was needed to discover an all-water route to Asia. King John asked Prince Henry to take charge of the search.
Prince Henry<span> set up the first school for training sailors in navigation. Navigation is the study of how to plan and control the course of a ship. Lessons taught in Prince Henry's school were kept secret. If a sailor
spoke about a lesson outside of the school, he was put to death.</span>
Prince Henry became known as <span>Prince Henry the Navigator </span>because his school for navigation was so successful. He thought the most direct route to
Asia would be to sail south around Africa and then sail east to India. Prince Henry organized more than 50 voyages of exploration. But he himself never went on one voyage.
Portuguese sailors used a ship called a caravel.
It was industrialization occurring in Russia by the Tsar, which was opposed by socialist groups and the problems faced without reform, a less centralized government leading to the popularity of socialist groups, a ruthless Tsar who imposed censorship and the violence shown in the failed revolution of 1905, the waste of life in ww1 caused by lack of funding for the army.
I'm thinking all of the above