The term "death march" was probably coined by concentration camp prisoners. It referred to forced marches of concentration camp prisoners over long distances under guard and in extremely harsh conditions. Hope it helps:)
Gustav I of Sweden came into power and hew wanted freedom for Sweden so I would say it was due to the new leadership
Because he was publishing what he deemed a valuable work, the "Speller", and did not relish the idea that others could freely copy it without his permission, not to mention without paying him.
Answer: B. Plains and Pueblo
To convince North Vietnam to stop reinforcing the Vietcong, President Johnson ordered Operation Rolling Thunder, which greatly amplified troop movements in the region.