Answer:
It took much longer to kill very large groups of victims with the gas vans, however. Einsatzgruppen personnel were required to remove bodies and clean the compartments.
Explanation:
Throughout the German occupation of seized Soviet territories, mass shootings continued to be the preferred method of murdering Jews. At least 1.5 million and possibly more than 2 million Holocaust victims died in mass shootings or gas vans in Soviet territory.
