Which group believed that only a powerful government could safeguard liberty?
federalists or anti-federalists

federalists believed  that in order for the government to work properly the government had to be strong and therefore had to be very powerful

By Lois Lowry. For this memory, The Giver sends Jonas back to his spot on the hill with the sled. ... The Giver refuses, and Jonas limps home, still feeling the physical pain of the memory. That night, Jonas doesn't tell his parents anything about his training, as the rules specify.