Answer: D
Explanation: Because the Gupta's developed the concept of zero, it helped mathematics greatly. By looking at the other side of the organizer, it looks like the impact of have the first efficient post office helped improve communication, so it would make sense that the invention of algebra helped develop pi.
The correct answer is <span>D. India didn't pick sides between the Soviet Union and the United States.
The Nonaligned movement was a group of countries that didn't want to choose sides in the cold war. They were mostly talking about china which was communist and thus related to the soviet union. However, they didn't take sides and kept to themselves.</span>
The answer is B
hope this helps
Answer:
to proclaim the Articles of Confederation inadequate and urge support for the Constitution produced by the Constitutional Convention in 1787.
Explanation: