Alinguist studies
the earth, rock forms, and strata
the origins of words
the lives of early communities by studying artifacts
the development of language
early human culture and development compared to the present day

b.

explanation:

he is racist

"oh, lets coppy china and build a great wall around bla bla bla.that way,we wont lose out to other countries." in the end, he did not build anything

the government closely monitored its finances to avoid another financial collapse.