Can't see it so I can't help
Well they used the tribute as sort of a tax for the empire. it helped them advance in troops architecture and religion
The correct answer is B, the National Road.
The National Road was the first major managed road in the United States built by the federal government. Carried out between 1811 and 1837, the 1,000-kilometer route connected the Potomac and the Ohio River and was one of the western tracks for thousands of settlers.
Construction began westward in 1811 at Cumberland, Maryland, on the Potomac River. After the financial panic of 1837 and the ensuing economic depression, funds from Congress were dry and construction was halted in Vandalia, Illinois.
The Indus River valley civilization was a theocracy run by a priest and karma played a very big role in their laws
The civilization was plolythiestic and was made up of Hinduism bhudism and Jainism
The economy was based on agriculture and trade with the people there making items like cloth and pottery
The social hierarchy went like this
Gods
Kshatryia
Vaishya
Sudra
And then the untouchables