In the 1930s and 1940s, the United States engaged in several immigration policies that are now widely considered to be moral low points in U.S. immigration history. These include (choose all

In the 1930s and 1940s, the United States engaged in several immigration policies that are now widely considered to be moral low points in U.S. immigration history. These include (choose all that apply):
Barring entry of Jewish children fleeing nazi Germany
the Chinese exclusion acts
the bracero program
Dred Scott
the Japanese internment camps
the travel band