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.
Because China started the world wide sickness
American colonists protested the stamp act because it was a tax imposed on them by the british parliament instead of their elected colonial legislatures. they believed it was unjust to be taxed without their consent by unelected rulers.
Your right its CCCCCCCCCCCCCCCCc
The rise in the number of Labor Strikes led to a large fear of a rising Communist wave.To business owners, strikes symbolized the rise of the labor and poor which were used in the Russian Revolution to overthrow the aristocracy. Per the capitalist idea that the business owners followed, not everyone was meant to profit.
