What did sung dynasty most rely on to pay for new infastrutce

States' compliance with the native american reservation treaties drawn up by the federal government for the native american nations is:

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?

Who did the first work in creating vaccines