In the nineteenth century, Mexican American, Chinese, and white populations of the United States collided as white people moved farther west in search of land and riches. Neither Chinese immigrants nor Mexican Americans could withstand the assault on their rights by the tide of white settlers.
I'm not sure but extract is a synonym of abstract

The word "New Right" appeared during the 1964 presidential campaign of Barry Goldwater to designate "the emergence, in response to liberalism (in the American sense of the term [i.e. social liberalism]), of an uninhibited right: ultraconservative, imbued with religious values, openly populist, anti-egalitarian,
D. South America is not touched by the Mediterranean Sea~
Qin dynasty. The terra cotta soldiers give it away.