Question

most jewish people, along with other persecuted groups, were forcibly relocated to concentration camps by means of
trucks.
trains
marching
airplanes

Explanation:

During the Holocaust, Nazi authorities primarily used rail transport (trains) to efficiently move large numbers of Jewish people and other persecuted groups to concentration and extermination camps. Trucks were used for smaller transfers, marching was for death marches late in the war, and airplanes were not used for mass relocation.

Answer:

B. trains