Complex sentence: These were twice refused, but on their renewal a third time in a threatening form, Basel yielded, and a resolution was passed for Follen's arrest, and in 1824 he and Beck left Switzerland for the United States of America via Le Havre, France.
Split into simpler sentences: These were twice refused, but after a third (more threatening) demand, Basel yielded, passing a resolution for Follen's arrest. In 1824 Follen and Beck left Switzerland for the United States of America via Le Havre, France.