Which three ways did swedish diplomat raoul wallenberg resist the nazis during the holocaust?

Raoul Wallenburg resisted the Nazis by:

He was a Swedish diplomat a member of the prestigious and influential Wallenberg family. In the later stages of World War II, he worked tirelessly and took great risks to save thousands of Hungarian Jews from the Holocaust. He was arrested by the Soviets after the entry of the Red Army in Budapest, claiming he was an American spy. He died while still in his custody and his death is controversial until today.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

united kingdom

portugal

france

germany