The Treaty of Tordesillas was between the Spanish and the Portuguese, the impact was to clear up confusion on newly claimed land in the New World...honestly I hope that helps and it's right
Poverty, racism, sexism, inadequate and unequal education practices among different social classes, racial barriers, and unfair hiring practices, and lack of education are some social issues that are a result of high unemployment.
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The Berlin Wall fell on November 9, 1989.
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The space suit
Though the first man stepped on the moon in 1969, in the 1930s astronomers and physicists were already planning for the voyage to outer space. Emilio Herrera Linares, a Spanish military colonel, is credited with being the first to design a pressurised suit which was used in a high-altitude balloon flight in 1936.
The modern mop
While the mop isn’t the most glamorous of inventions, it certainly is one of the most useful. People had been using rags to wash floors since the 15th century but it was in the 1960s that the engineer Manuel Jalón Corominas had the idea to create a purpose-built mop with a bucket to ring the water out in.
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that's just a few ^_^!!!
