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:
This is the definition of the word obligation.
The answer to this question is: The magna Charta
The magna Charta is created to limit the King's power within the country. Before this document, the King's order was always considered absolute and must be obeyed. After this document, the King's orders still held a really great power, but it cannot breach what considered as basic human rights
Mesopotamia, it is now a nation in Iraq. It was the first to form cities.
