Racism in the 17th Century. While the 17th century did not have systematic notions of racial difference, colonialism led to the development of social and political institutions, such as slavery in the New World, that were later justified through racial theories
<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>
