B.
An increase in employment would be there are most products and money being made and also symbolizes the nation's growth.
Hope that helps!
:D®
They draw attention to the opinion that the United States is not doing enough to help these children.
They developed a written language.
Answer:
introducing zero as a placeholder
Explanation:
The Maya were one of the earliest ancient nations to employ the concept of zero, allowing them to write and compute vast sums.
<u><em>Thank you! Please Mark Brainliest!</em></u>
