Why do you think danish citizens risked, and sometimes lost, their lives in order to fight against nazi party/military-even if they weren’t jewish themselves?

They formed resistance groups and harboured Jewish citizens under new names. They would keep these people in their homes by pretending they were relatives from other countries

trade

explanation:

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering