Answer:
As well as giving us the concept of zero, Indian mathematicians made seminal contributions to the study of trigonometry, algebra, arithmetic and negative numbers among other areas. Perhaps most significantly, the decimal system that we still employ worldwide today was first seen in India
Explanation:
1- The correct answer is D, the route he followed took an extraordinary amount of time, as he had to surround all the African Continent to reach India.
Looking for a shorter route, many European explorers continued his exploration trips.
2- The correct answer is B, to gain direct access to spices. Until Vasco da Gama, the European traders had to pay taxes to the muslims in Middle East to go through their territories to reach the East Indies and its spices. But when the explorers found new routes, this situation finished.
Hello!!! The answer you’re looking for is A! Hope this helps!!
In May 1985, Gorbachev gave a speech in Leningrad in which he admitted the slowing of economic development, and inadequate living standards. Gorbachev and his team of economic advisors then introduced more fundamental reforms, which became known as perestroika (restructuring).