Can someone pls help me

What do the discoveries of shells used in jewelry and a huge dredged canal tell us about the indus valley civilization?

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?

The national security act of 1947 reflected: