Which civilization built 14,000 miles of roads and created a complex record keeping system using knotted strings and called quipu

The united states government was in debt from its beginning. how did the u.s. get into debt, and whom did it owe money?

What was watson’s view of the new south idea?

In 1944, the supreme court upheld the authority of the u.s. government to order the internment of a minority group in the interest of national security, even though there was no evidence that any members of this group were disloyal to the united states. should the same policy be applied today against u.s. muslims or muslim immigrants? why or why not? are these forms of internment different from native reservations? if so how? if not, why?