Why did the United States invade Afghanistan in October 2001? Select all that apply.

A
to protect its military ally Pakistan from an invasion

B
to retaliate for the September 11 terrorist attacks

C
to stop the Taliban from developing nuclear weapons

D
to overthrow a dangerous communist dictatorship

Which statements describe einsatzgruppen? check all that apply. they were considered the last step in the "final solution." they were part of the german army. they carried out mass executions. they were known as mobilized killing units. they were used by germany during the invasions of poland and the soviet union.