<span>Total federal revenues doubled from just over $517 billion in 1980 to more than $1 trillion in 1990. In constant inflation-adjusted dollars, this was a 28 percent increase in revenue.3As a percentage of the gross domestic product (GDP), federal revenues declined only slightly from 18.9 percent in 1980 to 18 percent in 1990.4<span>Revenues from individual income taxes climbed from just over $244 billion in 1980 to nearly $467 billion in 1990.5 In inflation-adjusted dollars, this amounts to a 25 percent increase.</span></span>
Answer:
C looks like the closest correct answer.
I think the answer is C
Answer:
Manufacturing, and automated labor.
Explanation:
A lot of the jobs that required people to do things themselves have now been replaced by robots or by systems that require less people to operate. This can be seen heavily in the industrial revolution.
Now the knowledge about historical events is almost automatically updated and hierarchically set in the Internet. All the new information we have to find in one place. We have many sources of information that describe one event from different angles. Finally, the technology allows to play back events, e.g. battles, which allows to better understand the context.
